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example
Or for longer, use three backticks above and below the code snippet:
longer
example
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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 12.0.2): 15
Operating system and version (eg, Ubuntu 17.04): 18.04
Apache or nginx version (eg, Apache 2.4.25): 2.4.29
PHP version (eg, 7.1): 7.2.10
The issue you are facing:
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- click on “Full Text Search”
- Search for anything
- no results
The output of your Nextcloud log in Admin > Logging:
[no app in context] Info: OCP\AppFramework\QueryException: Could not resolve state! Class state does not exist at <<closure>>
0. /var/www/html/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php line 119
resolve("state")
1. /var/www/html/nextcloud/lib/private/ServerContainer.php line 132
query("state")
2. /var/www/html/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php line 68
query("state")
3. /var/www/html/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php line 98
buildClass(ReflectionClass ... "})
4. /var/www/html/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php line 119
resolve("OCA\\TwoFactorTOTP\\Settings\\Personal")
5. /var/www/html/nextcloud/lib/private/ServerContainer.php line 132
query("OCA\\TwoFactorTOTP\\Settings\\Personal")
6. /var/www/html/nextcloud/lib/private/Settings/Manager.php line 163
query("OCA\\TwoFactorTOTP\\Settings\\Personal")
7. /var/www/html/nextcloud/lib/private/Settings/Manager.php line 283
getSettings("admin", "logging")
8. /var/www/html/nextcloud/settings/Controller/AdminSettingsController.php line 73
getAdminSettings("logging")
9. /var/www/html/nextcloud/settings/Controller/CommonSettingsTrait.php line 126
getSettings("logging")
10. /var/www/html/nextcloud/settings/Controller/AdminSettingsController.php line 65
getIndexResponse("admin", "logging")
11. /var/www/html/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 166
index("logging")
12. /var/www/html/nextcloud/lib/private/AppFramework/Http/Dispatcher.php line 99
executeController(OC\Settings\Cont ... {}, "index")
13. /var/www/html/nextcloud/lib/private/AppFramework/App.php line 118
dispatch(OC\Settings\Cont ... {}, "index")
14. /var/www/html/nextcloud/lib/private/AppFramework/Routing/RouteActionHandler.php line 47
main("OC\\Settings\\C ... r", "index", OC\AppFramework\ ... {}, {section: "loggi ... "})
15. <<closure>>
__invoke({section: "loggi ... "})
16. /var/www/html/nextcloud/lib/private/Route/Router.php line 297
call_user_func(OC\AppFramework\ ... {}, {section: "loggi ... "})
17. /var/www/html/nextcloud/lib/base.php line 987
match("/settings/admin/logging")
18. /var/www/html/nextcloud/index.php line 42
handleRequest()
GET /index.php/settings/admin/logging
from 192.168.10.251 by dedwards at 2019-01-10T19:20:46+00:00
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
{
"system": {
"instanceid": "***REMOVED SENSITIVE VALUE***",
"passwordsalt": "***REMOVED SENSITIVE VALUE***",
"trusted_domains": [
"cloud.domain.tld",
"192.168.XXX.XXX"
],
"trusted_proxies": "***REMOVED SENSITIVE VALUE***",
"forwarded_for_headers": [
"HTTP_X_FORWARDED_FOR"
],
"auth.bruteforce.protection.enabled": true,
"datadirectory": "***REMOVED SENSITIVE VALUE***",
"dbtype": "mysql",
"version": "15.0.0.10",
"dbname": "***REMOVED SENSITIVE VALUE***",
"dbhost": "***REMOVED SENSITIVE VALUE***",
"dbtableprefix": "oc_",
"dbuser": "***REMOVED SENSITIVE VALUE***",
"dbpassword": "***REMOVED SENSITIVE VALUE***",
"installed": true,
"memcache.local": "\\OC\\Memcache\\Redis",
"redis": {
"host": "***REMOVED SENSITIVE VALUE***",
"port": 6379
},
"memcache.locking": "\\OC\\Memcache\\Redis",
"forcessl": true,
"mail_smtpmode": "smtp",
"mail_from_address": "***REMOVED SENSITIVE VALUE***",
"mail_domain": "***REMOVED SENSITIVE VALUE***",
"mail_smtphost": "***REMOVED SENSITIVE VALUE***",
"mail_smtpport": "25",
"loglevel": 0,
"theme": "",
"maintenance": false,
"secret": "***REMOVED SENSITIVE VALUE***",
"trashbin_retention_obligation": "5, 10",
"updatechecker": false,
"overwrite.cli.url": "https:\/\/cloud.domain.tld",
"ldapIgnoreNamingRules": false,
"ldapProviderFactory": "\\OCA\\User_LDAP\\LDAPProviderFactory",
"updater.release.channel": "stable",
"twofactor_enforced": "false",
"twofactor_enforced_groups": [],
"twofactor_enforced_excluded_groups": []
},
"apps": {
"accessibility": {
"enabled": "yes",
"installed_version": "1.1.0",
"types": ""
},
"activity": {
"enabled": "yes",
"installed_version": "2.8.2",
"types": "filesystem"
},
"admin_audit": {
"enabled": "yes",
"installed_version": "1.5.0",
"types": "logging"
},
"admin_dependencies_chk": {
"enabled": "no",
"installed_version": "0.02",
"ocsid": "166041",
"types": ""
},
"audioplayer": {
"enabled": "no",
"installed_version": "2.5.1",
"types": "filesystem"
},
"backgroundjob": {
"lastjob": "6238"
},
"bookmarks": {
"enabled": "no",
"installed_version": "0.15.1",
"types": ""
},
"bruteForce": {
"whitelist_1": "192.168.10.0\/24",
"whitelist_2": "192.168.30.0\/24",
"whitelist_3": "192.168.40.0\/24"
},
"bruteforcesettings": {
"enabled": "yes",
"installed_version": "1.3.0",
"types": ""
},
"calendar": {
"enabled": "yes",
"installed_version": "1.6.4",
"types": ""
},
"cloud_federation_api": {
"enabled": "yes",
"installed_version": "0.1.0",
"types": "filesystem"
},
"comments": {
"enabled": "yes",
"installed_version": "1.5.0",
"types": "logging"
},
"contacts": {
"enabled": "yes",
"installed_version": "3.0.1",
"types": ""
},
"core": {
"OC_Channel": "beta",
"backgroundjobs_mode": "ajax",
"global_cache_gc_lastrun": "1446123720",
"installed.bundles": "[\"CoreBundle\"]",
"installedat": "1409761543.0289",
"lastcron": "1547148049",
"lastupdateResult": "[]",
"lastupdatedat": "1547115766",
"moveavatarsdone": "yes",
"oc.integritycheck.checker": "[]",
"previewsCleanedUp": "1",
"public_caldav": "calendar\/share.php",
"public_calendar": "calendar\/share.php",
"public_documents": "documents\/public.php",
"public_files": "files_sharing\/public.php",
"public_gallery": "gallery\/public.php",
"public_webdav": "dav\/appinfo\/v1\/publicwebdav.php",
"remote_caldav": "dav\/appinfo\/v1\/caldav.php",
"remote_calendar": "dav\/appinfo\/v1\/caldav.php",
"remote_carddav": "dav\/appinfo\/v1\/carddav.php",
"remote_contacts": "dav\/appinfo\/v1\/carddav.php",
"remote_dav": "dav\/appinfo\/v2\/remote.php",
"remote_files": "dav\/appinfo\/v1\/webdav.php",
"remote_filesync": "files\/appinfo\/filesync.php",
"remote_webdav": "dav\/appinfo\/v1\/webdav.php",
"repairlegacystoragesdone": "yes",
"scss.variables": "eeeb32660a4abcd221f429dd6682225a",
"shareapi_allow_mail_notification": "yes",
"shareapi_allow_public_notification": "yes",
"shareapi_default_expire_date": "yes",
"shareapi_enforce_links_password": "no",
"shareapi_expire_after_n_days": "14",
"umgmt_show_backend": "true",
"umgmt_show_email": "false",
"umgmt_show_storage_location": "false",
"updater.secret.created": "1546443295",
"vendor": "nextcloud"
},
"dav": {
"OCA\\DAV\\Migration\\ValueFixInsert_ran": "true",
"buildCalendarSearchIndex": "yes",
"enabled": "yes",
"installed_version": "1.8.0",
"types": "filesystem"
},
"deck": {
"enabled": "yes",
"installed_version": "0.5.2",
"types": "logging"
},
"documents": {
"converter": "local",
"enabled": "no",
"installed_version": "0.10.2",
"ocsid": "168711",
"types": "",
"unstable": "false"
},
"end_to_end_encryption": {
"enabled": "no",
"installed_version": "1.0.5",
"types": "filesystem"
},
"external": {
"enabled": "no",
"installed_version": "3.1.0",
"types": ""
},
"federatedfilesharing": {
"enabled": "yes",
"installed_version": "1.5.0",
"types": ""
},
"federation": {
"enabled": "yes",
"installed_version": "1.5.0",
"types": "authentication"
},
"files": {
"cronjob_scan_files": "500",
"enabled": "yes",
"installed_version": "1.10.0",
"types": "filesystem"
},
"files_fulltextsearch": {
"enabled": "yes",
"files_audio": "0",
"files_encrypted": "0",
"files_external": "1",
"files_federated": "0",
"files_group_folders": "0",
"files_image": "0",
"files_local": "1",
"files_office": "1",
"files_pdf": "1",
"files_size": "20",
"installed_version": "1.2.3",
"types": "filesystem"
},
"files_fulltextsearch_tesseract": {
"enabled": "no",
"installed_version": "1.0.0",
"tesseract_enabled": "1",
"tesseract_lang": "eng",
"tesseract_psm": "4",
"types": ""
},
"files_pdfviewer": {
"enabled": "yes",
"installed_version": "1.4.0",
"types": ""
},
"files_sharing": {
"enabled": "yes",
"installed_version": "1.7.0",
"types": "filesystem"
},
"files_texteditor": {
"enabled": "yes",
"installed_version": "2.7.0",
"types": ""
},
"files_trashbin": {
"enabled": "yes",
"installed_version": "1.5.0",
"types": "filesystem,dav"
},
"files_versions": {
"enabled": "no",
"installed_version": "1.2.0",
"types": "filesystem"
},
"files_videoplayer": {
"enabled": "yes",
"installed_version": "1.4.0",
"types": ""
},
"files_videoviewer": {
"enabled": "no",
"installed_version": "0.1.3",
"ocsid": "166054",
"types": ""
},
"firstrunwizard": {
"enabled": "yes",
"installed_version": "2.4.0",
"types": "logging"
},
"fulltextsearch": {
"app_navigation": "1",
"cron_err_reset": "1547125646",
"enabled": "yes",
"installed_version": "1.2.3",
"provider_indexed": "",
"search_platform": "OCA\\FullTextSearch_ElasticSearch\\Platform\\ElasticSearchPlatform",
"types": ""
},
"fulltextsearch_elasticsearch": {
"analyzer_tokenizer": "standard",
"elastic_host": "http:\/\/localhost:9200",
"elastic_index": "nextcloud_index",
"enabled": "yes",
"installed_version": "1.2.2",
"types": ""
},
The output of your Apache/nginx/system log in /var/log/____:
N/A