Nextcloud Update fehlgeschlagen; Update in progress

Hallo zusammen,

Ich habe eine Nextcloud bei Anbieter goneo.
Beim Update der Version 20.0.14 auf 21.0.9 lief das Webupdate nicht durch.
Die Cloud ist nun nicht mehr erreichbar und es erscheint die Meldung “Update in progress”.
PHP Version war 7.4

Nachdem das Update bei Schritt 5 gestockt hatte, habe ich wie im Forum gelesen, die .step gelöscht und das Update erneut angestoßen.
Irgendwann lief das Update weiter, abern icht vollständig durch. An einer Stelle (ich glaube 9, so steht es auch in den Logs), bliebe es hängen und ich klickte auf “Retry”.
Laut Log wurde das Update bis Step 6 rückgängig gemacht.

Was kann ich tun, damit die Cloud wieder läuft?
Vielen Dank vorab!

Hier die Log-Einträge:

(
    [version] => 21.0.9.1
    [versionstring] => Nextcloud 21.0.9
    [url] => https://download.nextcloud.com/server/releases/nextcloud-21.0.9.zip
    [web] => https://docs.nextcloud.com/server/21/admin_manual/maintenance/upgrade.html
    [changes] => https://updates.nextcloud.com/changelog_server/?version=21.0.9
    [autoupdater] => 1
    [eol] => 1
    [signature] => UmaMy3Rp14wXYO8IQPzJWIsJnz5po9Fw42upR3ci+EPmfpptUgCpxDBZ+uIMLpIf
Ee9waBv1ZPRgOaUmzwWQUGzL+z1+LRMe9rm/m2SKEYDWzq0Uk0wmheqAdhaZHFYq
EIXWXKMauXl+KxdNsJOftU96NzoiWTO8m4JjT7758fyGuio7jRWHCun1m+nb4hSD
LQHdC1Ipng5IPFcR2EJ9zP+SpLR7pO7g+2raxlnLhvqT27FfiTAw3J4ztm/BsGTW
BQwO9DSgH23A3veRLMpZnuiZcZfOJIr/LSRjvgxU+RdHKWFJkmngNQAg7pTPnjMH
mE2YG/R4IKW+A8xqweVzig==
)

2022-12-30T10:59:21+0100 z6qsNQ3VN0 [info] storage location exists
2022-12-30T10:59:25+0100 z6qsNQ3VN0 [info] end of downloadUpdate()
2022-12-30T10:59:25+0100 z6qsNQ3VN0 [info] endStep("4")
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] request to updater
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] currentStep()
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] Step 4 is in state "end".
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] POST request for step "5"
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] startStep("5")
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] verifyIntegrity()
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] getUpdateServerResponse()
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] updaterServer: https://updates.nextcloud.com/updater_server/
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] releaseChannel: stable
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] internal version: 20.0.14.2
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] updateURL: https://updates.nextcloud.com/updater_server/?version=20x0x14x2xxxstablexx2021-11-11T15%3A12%3A13%2B00%3A00+50221f94abea4f26710091d94f2930a0322036bcx7x4x30
2022-12-30T10:59:25+0100 MYFKwmO9cq [info] getUpdateServerResponse response: Array
(
    [version] => 21.0.9.1
    [versionstring] => Nextcloud 21.0.9
    [url] => https://download.nextcloud.com/server/releases/nextcloud-21.0.9.zip
    [web] => https://docs.nextcloud.com/server/21/admin_manual/maintenance/upgrade.html
    [changes] => https://updates.nextcloud.com/changelog_server/?version=21.0.9
    [autoupdater] => 1
    [eol] => 1
    [signature] => UmaMy3Rp14wXYO8IQPzJWIsJnz5po9Fw42upR3ci+EPmfpptUgCpxDBZ+uIMLpIf
Ee9waBv1ZPRgOaUmzwWQUGzL+z1+LRMe9rm/m2SKEYDWzq0Uk0wmheqAdhaZHFYq
EIXWXKMauXl+KxdNsJOftU96NzoiWTO8m4JjT7758fyGuio7jRWHCun1m+nb4hSD
LQHdC1Ipng5IPFcR2EJ9zP+SpLR7pO7g+2raxlnLhvqT27FfiTAw3J4ztm/BsGTW
BQwO9DSgH23A3veRLMpZnuiZcZfOJIr/LSRjvgxU+RdHKWFJkmngNQAg7pTPnjMH
mE2YG/R4IKW+A8xqweVzig==
)

2022-12-30T10:59:25+0100 MYFKwmO9cq [info] storage location: /web/1/000/074/314/305682/htdocs/nextcloud/data/updater-ocmodvgc21RDlHDrX6RN/downloads/
2022-12-30T10:59:37+0100 HqQejzrAme [info] request to updater
2022-12-30T10:59:37+0100 HqQejzrAme [info] currentStep()
2022-12-30T10:59:37+0100 HqQejzrAme [info] Step 5 is in state "start".
2022-12-30T10:59:47+0100 nFLxVJZktw [info] request to updater
2022-12-30T10:59:47+0100 nFLxVJZktw [info] currentStep()
2022-12-30T10:59:47+0100 nFLxVJZktw [info] Step 5 is in state "start".
2022-12-30T11:00:33+0100 8MdK03WhrL [info] request to updater
2022-12-30T11:00:33+0100 8MdK03WhrL [info] currentStep()
2022-12-30T11:00:33+0100 8MdK03WhrL [info] Step 5 is in state "start".
2022-12-30T11:01:12+0100 U2BzEYtXCS [info] request to updater
2022-12-30T11:01:12+0100 U2BzEYtXCS [info] currentStep()
2022-12-30T11:01:12+0100 U2BzEYtXCS [info] Step 5 is in state "start".
2023-01-02T10:34:44+0100 QqmJbp5AO1 [info] request to updater
2023-01-02T10:34:44+0100 QqmJbp5AO1 [info] currentStep()
2023-01-02T10:34:44+0100 QqmJbp5AO1 [info] Step 5 is in state "start".
2023-01-02T10:49:23+0100 NHjxIiiQTn [info] request to updater
2023-01-02T10:49:23+0100 NHjxIiiQTn [info] currentStep()
2023-01-02T10:49:23+0100 NHjxIiiQTn [info] Step 5 is in state "start".
2023-01-05T16:41:24+0100 zPFzM4yrHF [info] request to updater
2023-01-05T16:41:24+0100 zPFzM4yrHF [info] currentStep()
2023-01-05T16:41:24+0100 zPFzM4yrHF [info] Step 5 is in state "start".
2023-01-05T16:51:05+0100 ENABktqsTe [info] request to updater
2023-01-05T16:51:05+0100 ENABktqsTe [info] currentStep()
2023-01-05T16:51:05+0100 ENABktqsTe [info] Step 5 is in state "start".
2023-01-11T12:11:41+0100 m7mB4yQ11j [info] request to updater
2023-01-11T12:11:41+0100 m7mB4yQ11j [info] currentStep()
2023-01-11T12:11:41+0100 m7mB4yQ11j [info] Step 5 is in state "start".
2023-01-24T15:36:52+0100 KYjwpP5v5H [info] request to updater
2023-01-24T15:36:52+0100 KYjwpP5v5H [info] currentStep()
2023-01-24T15:36:52+0100 KYjwpP5v5H [info] Step 5 is in state "start".
2023-01-24T15:50:29+0100 Jw8idQHprc [info] request to updater
2023-01-24T15:50:29+0100 Jw8idQHprc [info] currentStep()
2023-01-24T15:50:29+0100 Jw8idQHprc [info] Step 5 is in state "start".
2023-01-24T15:58:21+0100 p5gCelvL4E [info] request to updater
2023-01-24T15:58:21+0100 p5gCelvL4E [info] currentStep()
2023-01-24T15:58:21+0100 p5gCelvL4E [info] Step 5 is in state "start".
2023-01-24T15:58:25+0100 e8cF0nQXyR [info] request to updater
2023-01-24T15:58:25+0100 e8cF0nQXyR [info] currentStep()
2023-01-24T15:58:25+0100 e8cF0nQXyR [info] Step 5 is in state "start".
2023-01-24T15:58:29+0100 C1bm2qyCVW [info] request to updater
2023-01-24T15:58:29+0100 C1bm2qyCVW [info] currentStep()
2023-01-24T15:58:29+0100 C1bm2qyCVW [info] Step 5 is in state "start".
2023-01-24T15:58:35+0100 cOYDUmRXbj [info] request to updater
2023-01-24T15:58:35+0100 cOYDUmRXbj [info] currentStep()
2023-01-24T15:58:35+0100 cOYDUmRXbj [info] Step 5 is in state "start".
2023-01-24T16:08:24+0100 jFxNwxhbp1 [info] request to updater
2023-01-24T16:08:24+0100 jFxNwxhbp1 [info] currentStep()
2023-01-24T16:08:24+0100 jFxNwxhbp1 [info] Step 5 is in state "start".
2023-01-24T16:08:24+0100 jFxNwxhbp1 [info] show HTML page
2023-01-24T16:08:24+0100 jFxNwxhbp1 [info] current version: 20.0.14 build time: 2021-11-11T15:12:13+00:00 50221f94abea4f26710091d94f2930a0322036bc
2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] getUpdateServerResponse()
2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] updaterServer: https://updates.nextcloud.com/updater_server/
2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] releaseChannel: stable
2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] internal version: 20.0.14.2
2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] updateURL: https://updates.nextcloud.com/updater_server/?version=20x0x14x2xxxstablexx2021-11-11T15%3A12%3A13%2B00%3A00+50221f94abea4f26710091d94f2930a0322036bcx7x4x33
2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] getUpdateServerResponse response: Array
(
    [version] => 21.0.9.1
    [versionstring] => Nextcloud 21.0.9
    [url] => https://download.nextcloud.com/server/releases/nextcloud-21.0.9.zip
    [web] => https://docs.nextcloud.com/server/21/admin_manual/maintenance/upgrade.html
    [changes] => https://updates.nextcloud.com/changelog_server/?version=21.0.9
    [autoupdater] => 1
    [eol] => 1
    [signature] => UmaMy3Rp14wXYO8IQPzJWIsJnz5po9Fw42upR3ci+EPmfpptUgCpxDBZ+uIMLpIf
Ee9waBv1ZPRgOaUmzwWQUGzL+z1+LRMe9rm/m2SKEYDWzq0Uk0wmheqAdhaZHFYq
EIXWXKMauXl+KxdNsJOftU96NzoiWTO8m4JjT7758fyGuio7jRWHCun1m+nb4hSD
LQHdC1Ipng5IPFcR2EJ9zP+SpLR7pO7g+2raxlnLhvqT27FfiTAw3J4ztm/BsGTW
BQwO9DSgH23A3veRLMpZnuiZcZfOJIr/LSRjvgxU+RdHKWFJkmngNQAg7pTPnjMH
mE2YG/R4IKW+A8xqweVzig==
)

2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] checkForUpdate() Array
(
    [version] => 21.0.9.1
    [versionstring] => Nextcloud 21.0.9
    [url] => https://download.nextcloud.com/server/releases/nextcloud-21.0.9.zip
    [web] => https://docs.nextcloud.com/server/21/admin_manual/maintenance/upgrade.html
    [changes] => https://updates.nextcloud.com/changelog_server/?version=21.0.9
    [autoupdater] => 1
    [eol] => 1
    [signature] => UmaMy3Rp14wXYO8IQPzJWIsJnz5po9Fw42upR3ci+EPmfpptUgCpxDBZ+uIMLpIf
Ee9waBv1ZPRgOaUmzwWQUGzL+z1+LRMe9rm/m2SKEYDWzq0Uk0wmheqAdhaZHFYq
EIXWXKMauXl+KxdNsJOftU96NzoiWTO8m4JjT7758fyGuio7jRWHCun1m+nb4hSD
LQHdC1Ipng5IPFcR2EJ9zP+SpLR7pO7g+2raxlnLhvqT27FfiTAw3J4ztm/BsGTW
BQwO9DSgH23A3veRLMpZnuiZcZfOJIr/LSRjvgxU+RdHKWFJkmngNQAg7pTPnjMH
mE2YG/R4IKW+A8xqweVzig==
)

2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] getChangelogURL()
2023-01-24T16:08:25+0100 jFxNwxhbp1 [info] end of checkForUpdate() Update to Nextcloud 21.0.9 available. (channel: "stable")<br /><span class="light">Following file will be downloaded automatically:</span> <code class="light">https://download.nextcloud.com/server/releases/nextcloud-21.0.9.zip</code><br /><a class="external_link" href="https://nextcloud.com/changelog/#21-0-9" target="_blank" rel="noreferrer noopener">Open changelog ↗</a>
2023-01-24T16:08:26+0100 MkCpXJcfj8 [info] request to updater
2023-01-24T16:08:26+0100 MkCpXJcfj8 [info] currentStep()
2023-01-24T16:08:26+0100 MkCpXJcfj8 [info] Step 5 is in state "start".
2023-01-24T16:08:26+0100 MkCpXJcfj8 [info] POST request for step "6"
2023-01-24T16:08:26+0100 MkCpXJcfj8 [info] startStep("6")
2023-01-24T16:08:26+0100 MkCpXJcfj8 [info] extractDownload()
2023-01-24T16:08:26+0100 MkCpXJcfj8 [info] storage location: /web/1/000/074/314/305682/htdocs/nextcloud/data/updater-ocmodvgc21RDlHDrX6RN/downloads/
2023-01-24T16:08:36+0100 MkCpXJcfj8 [info] end of extractDownload()
2023-01-24T16:08:36+0100 MkCpXJcfj8 [info] endStep("6")
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] request to updater
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] currentStep()
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] Step 6 is in state "end".
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] POST request for step "7"
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] startStep("7")
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] setMaintenanceMode("true")
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] configFileName /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/../config/config.php
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] end of setMaintenanceMode()
2023-01-24T16:08:36+0100 ODoMD2Zurw [info] endStep("7")
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] request to updater
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] currentStep()
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] Step 7 is in state "end".
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] POST request for step "8"
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] startStep("8")
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] replaceEntryPoints()
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] replace index.php
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] replace status.php
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] replace remote.php
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] replace public.php
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] replace ocs/v1.php
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] replace ocs/v2.php
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] end of replaceEntryPoints()
2023-01-24T16:08:37+0100 Bms2UiJ5UK [info] endStep("8")
2023-01-24T16:08:37+0100 Ue7rkbkUSy [info] request to updater
2023-01-24T16:08:37+0100 Ue7rkbkUSy [info] currentStep()
2023-01-24T16:08:37+0100 Ue7rkbkUSy [info] Step 8 is in state "end".
2023-01-24T16:08:37+0100 Ue7rkbkUSy [info] POST request for step "9"
2023-01-24T16:08:37+0100 Ue7rkbkUSy [info] startStep("9")
2023-01-24T16:08:37+0100 Ue7rkbkUSy [info] deleteOldFiles()
2023-01-24T16:08:45+0100 Ue7rkbkUSy [info] config sample exists
2023-01-24T16:08:45+0100 Ue7rkbkUSy [info] themes README exists
2023-01-24T16:09:44+0100 UCMiAU3JPa [info] request to updater
2023-01-24T16:09:44+0100 UCMiAU3JPa [info] currentStep()
2023-01-24T16:09:44+0100 UCMiAU3JPa [info] Step 9 is in state "start".
2023-01-24T16:09:44+0100 UCMiAU3JPa [info] POST request for step "9"
2023-01-24T16:09:45+0100 UCMiAU3JPa [info] startStep("9")
2023-01-24T16:09:45+0100 UCMiAU3JPa [info] deleteOldFiles()
2023-01-24T16:09:45+0100 UCMiAU3JPa [error] POST request failed with other exception
2023-01-24T16:09:45+0100 UCMiAU3JPa [error] Exception: Exception
Message: core/shipped.json is not available
Code:0
Trace:
#0 /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php(1386): Updater->deleteOldFiles()
#1 {main}
File:/data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php
Line:925

2023-01-24T16:09:45+0100 UCMiAU3JPa [info] rollbackChanges("9")
2023-01-24T16:09:45+0100 UCMiAU3JPa [info] unlink .step
2023-01-24T16:09:45+0100 UCMiAU3JPa [info] rollbackChanges - step >= 7
2023-01-24T16:09:45+0100 UCMiAU3JPa [info] end of  rollbackChanges()
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] request to updater
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] currentStep()
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] POST request for step "9"
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] startStep("9")
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] deleteOldFiles()
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [error] POST request failed with other exception
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [error] Exception: Exception
Message: core/shipped.json is not available
Code:0
Trace:
#0 /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php(1386): Updater->deleteOldFiles()
#1 {main}
File:/data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php
Line:925

2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] rollbackChanges("9")
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] unlink .step
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] rollbackChanges - step >= 7
2023-01-24T16:10:33+0100 ZJuKq3tvf4 [info] end of  rollbackChanges()
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] request to updater
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] currentStep()
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] POST request for step "9"
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] startStep("9")
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] deleteOldFiles()
2023-01-24T16:10:34+0100 rXyxGfQo2D [error] POST request failed with other exception
2023-01-24T16:10:34+0100 rXyxGfQo2D [error] Exception: Exception
Message: core/shipped.json is not available
Code:0
Trace:
#0 /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php(1386): Updater->deleteOldFiles()
#1 {main}
File:/data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php
Line:925

2023-01-24T16:10:34+0100 rXyxGfQo2D [info] rollbackChanges("9")
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] unlink .step
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] rollbackChanges - step >= 7
2023-01-24T16:10:34+0100 rXyxGfQo2D [info] end of  rollbackChanges()
2023-01-24T16:10:43+0100 CBEgMppZXK [info] request to updater
2023-01-24T16:10:43+0100 CBEgMppZXK [info] currentStep()
2023-01-24T16:10:43+0100 CBEgMppZXK [info] POST request for step "6"
2023-01-24T16:10:43+0100 CBEgMppZXK [info] startStep("6")
2023-01-24T16:10:43+0100 CBEgMppZXK [info] extractDownload()
2023-01-24T16:10:43+0100 CBEgMppZXK [info] storage location: /web/1/000/074/314/305682/htdocs/nextcloud/data/updater-ocmodvgc21RDlHDrX6RN/downloads/
2023-01-24T16:10:43+0100 CBEgMppZXK [error] POST request failed with other exception
2023-01-24T16:10:43+0100 CBEgMppZXK [error] Exception: Exception
Message: Can't handle ZIP file. Error code is: 28
Code:0
Trace:
#0 /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php(1377): Updater->extractDownload()
#1 {main}
File:/data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php
Line:824

2023-01-24T16:10:43+0100 CBEgMppZXK [info] rollbackChanges("6")
2023-01-24T16:10:43+0100 CBEgMppZXK [info] unlink .step
2023-01-24T16:10:43+0100 CBEgMppZXK [info] end of  rollbackChanges()
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] request to updater
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] currentStep()
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] POST request for step "6"
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] startStep("6")
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] extractDownload()
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] storage location: /web/1/000/074/314/305682/htdocs/nextcloud/data/updater-ocmodvgc21RDlHDrX6RN/downloads/
2023-01-24T16:10:45+0100 8fL0LSOD3m [error] POST request failed with other exception
2023-01-24T16:10:45+0100 8fL0LSOD3m [error] Exception: Exception
Message: Can't handle ZIP file. Error code is: 28
Code:0
Trace:
#0 /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php(1377): Updater->extractDownload()
#1 {main}
File:/data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php
Line:824

2023-01-24T16:10:45+0100 8fL0LSOD3m [info] rollbackChanges("6")
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] unlink .step
2023-01-24T16:10:45+0100 8fL0LSOD3m [info] end of  rollbackChanges()
2023-01-24T16:10:46+0100 A7SzGPleGb [info] request to updater
2023-01-24T16:10:46+0100 A7SzGPleGb [info] currentStep()
2023-01-24T16:10:46+0100 A7SzGPleGb [info] POST request for step "6"
2023-01-24T16:10:46+0100 A7SzGPleGb [info] startStep("6")
2023-01-24T16:10:46+0100 A7SzGPleGb [info] extractDownload()
2023-01-24T16:10:46+0100 A7SzGPleGb [info] storage location: /web/1/000/074/314/305682/htdocs/nextcloud/data/updater-ocmodvgc21RDlHDrX6RN/downloads/
2023-01-24T16:10:46+0100 A7SzGPleGb [error] POST request failed with other exception
2023-01-24T16:10:46+0100 A7SzGPleGb [error] Exception: Exception
Message: Can't handle ZIP file. Error code is: 28
Code:0
Trace:
#0 /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php(1377): Updater->extractDownload()
#1 {main}
File:/data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php
Line:824

2023-01-24T16:10:46+0100 A7SzGPleGb [info] rollbackChanges("6")
2023-01-24T16:10:46+0100 A7SzGPleGb [info] unlink .step
2023-01-24T16:10:46+0100 A7SzGPleGb [info] end of  rollbackChanges()
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] request to updater
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] currentStep()
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] POST request for step "6"
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] startStep("6")
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] extractDownload()
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] storage location: /web/1/000/074/314/305682/htdocs/nextcloud/data/updater-ocmodvgc21RDlHDrX6RN/downloads/
2023-01-24T16:10:47+0100 eVoxfsgnDJ [error] POST request failed with other exception
2023-01-24T16:10:47+0100 eVoxfsgnDJ [error] Exception: Exception
Message: Can't handle ZIP file. Error code is: 28
Code:0
Trace:
#0 /data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php(1377): Updater->extractDownload()
#1 {main}
File:/data/web/1/000/074/314/305682/htdocs/nextcloud/updater/index.php
Line:824

2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] rollbackChanges("6")
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] unlink .step
2023-01-24T16:10:47+0100 eVoxfsgnDJ [info] end of  rollbackChanges()

bevor du lange rumfummelst… der update/upgrade-prozess legt üblicherweise ein Backup an (nur für den Fall, dass du das selbst nicht getan hast)… Spiel das Update zurück… Und dann versuch mal, das Upgrade manuell (ohne Webupdater) zu machen (das Manual weiß mehr dazu)

Viel Erfolg!