NC 18 ncp: "Service Unavailable" after creating share link "fatal error"

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1

Upgraded my ncp on rpi 4 to NC 18 a few days ago without problem.

Today I tried multiple times to creat a share-link of a folder oder picture with password protection.
Directly after creating the share link the server went down.

sudo ncp-report
— shown no error at all, all up and ok.

sudo reboot
— everything online again.

Tried two times to create a share-link. To times down.

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The Page (when down) shows following text:

"The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later."
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Does anyone what is causing the error? Seems like MariaDB or PHP but there Status is still up/ok.
Im not an expert so these guesses are not reliable.
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Log-Output:
this fatal error “Bad signature” happens:

[webdav] Fatal: OCP\Encryption\Exceptions\GenericEncryptionException: Bad Signature at <>

  1. /var/www/nextcloud/apps/encryption/lib/Crypto/Crypt.php line 468
    OCA\Encryption\Crypto\Crypt->checkSignature(“Kr6WWRZURI9TMJW … =”, null, “733b6e8c10809a6 … 7”)
  2. /var/www/nextcloud/apps/encryption/lib/Crypto/Encryption.php line 380
    OCA\Encryption\Crypto\Crypt->symmetricDecryptFileContent("*** sensitive parameter replaced ", null, “AES-256-CTR”, 3, " sensitive parameter replaced ***")
  3. /var/www/nextcloud/lib/private/Files/Stream/Encryption.php line 507
    OCA\Encryption\Crypto\Encryption->decrypt("*** sensitive parameters replaced ***")
  4. /var/www/nextcloud/lib/private/Files/Stream/Encryption.php line 302
    OC\Files\Stream\Encryption->readCache()
  5. <>
    OC\Files\Stream\Encryption->stream_read(5237)
  6. /var/www/nextcloud/3rdparty/icewind/streams/src/Wrapper.php line 91
    fread(null, 8192)
  7. /var/www/nextcloud/3rdparty/icewind/streams/src/CallbackWrapper.php line 98
    Icewind\Streams\Wrapper->stream_read(8192)
  8. <>
    Icewind\Streams\CallbackWrapper->stream_read(8192)
  9. /var/www/nextcloud/3rdparty/sabre/http/lib/Sapi.php line 84
    fread(null, 8192)
  10. /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php line 498
    Sabre\HTTP\Sapi::sendResponse(Sabre\HTTP\Response {})
  11. /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php line 254
    Sabre\DAV\Server->invokeMethod(Sabre\HTTP\Reque … "}, Sabre\HTTP\Response {})
  12. /var/www/nextcloud/apps/dav/lib/Server.php line 319
    Sabre\DAV\Server->exec()
  13. /var/www/nextcloud/apps/dav/appinfo/v2/remote.php line 35
    OCA\DAV\Server->exec()
  14. /var/www/nextcloud/remote.php line 165
    require_once("/var/www/nextcl … p")

GET /remote.php/dav/files/name/folder%20name%20name/name/IMG.jpg
from ...* by User at 2020-03-23T13:32:19+00:00

Anyone else the same problem?

2

Yes, I see the same problem