I can not enter the users section

hello the problem is the following the owncloud server worked fine but from one date to here it marks an error when I want to enter the users section and it does not allow me to share anything with them by marking the following error
InternalServerError
The server encountered an internal error and was unable to complete your request.

Please contact the server administrator if this error reappears multiple times and include the technical details below in your report.

More details can be found in the server log.

Technical details
Remote Address: 172.17.42.1
Request ID: 2w2NanXoNFpCPdu0kGFI

reviewing the log this throws

{"reqId":"HMdNXMU9TqhX8Dv2StAg","level":3,"time":"2021-02-17T23:22:26+00:00","remoteAddr":"172.17.42.1","user":"owncloud","app":"settings","method":"POST","url":"\/owncloud\/settings\/users\/users","message":"Can't send new user mail to 1@1.com: Expected response code 220 but got an empty response"}
{"reqId":"Ak7ZoFBzFQ3vb2kRm2Fq","level":4,"time":"2021-02-17T23:24:36+00:00","remoteAddr":"172.17.42.1","user":"0001","app":"webdav","method":"MKCOL","url":"\/owncloud\/remote.php\/dav\/files\/0001\/Documents","message":"Exception: HTTP\/1.1 405 The resource you tried to create already exists: {\"Exception\":\"Sabre\\\\DAV\\\\Exception\\\\MethodNotAllowed\",\"Message\":\"The resource you tried to create already exists\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/CorePlugin.php(560): Sabre\\\\DAV\\\\Server->createCollection()\\n#1 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/event\\\/lib\\\/WildcardEmitterTrait.php(89): Sabre\\\\DAV\\\\CorePlugin->httpMkcol()\\n#2 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(472): Sabre\\\\DAV\\\\Server->emit()\\n#3 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(253): Sabre\\\\DAV\\\\Server->invokeMethod()\\n#4 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/lib\\\/Server.php(330): Sabre\\\\DAV\\\\Server->start()\\n#5 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/appinfo\\\/v2\\\/remote.php(31): OCA\\\\DAV\\\\Server->exec()\\n#6 \\\/var\\\/www\\\/owncloud\\\/remote.php(165): require_once('\\\/var\\\/www\\\/ownclo...')\\n#7 {main}\",\"File\":\"\\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php\",\"Line\":1184}"}
{"reqId":"6K2zIEKhWe1xsqdAwLNz","level":4,"time":"2021-02-17T23:24:36+00:00","remoteAddr":"172.17.42.1","user":"0001","app":"webdav","method":"MKCOL","url":"\/owncloud\/remote.php\/dav\/files\/0001\/Photos","message":"Exception: HTTP\/1.1 405 The resource you tried to create already exists: {\"Exception\":\"Sabre\\\\DAV\\\\Exception\\\\MethodNotAllowed\",\"Message\":\"The resource you tried to create already exists\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/CorePlugin.php(560): Sabre\\\\DAV\\\\Server->createCollection()\\n#1 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/event\\\/lib\\\/WildcardEmitterTrait.php(89): Sabre\\\\DAV\\\\CorePlugin->httpMkcol()\\n#2 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(472): Sabre\\\\DAV\\\\Server->emit()\\n#3 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(253): Sabre\\\\DAV\\\\Server->invokeMethod()\\n#4 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/lib\\\/Server.php(330): Sabre\\\\DAV\\\\Server->start()\\n#5 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/appinfo\\\/v2\\\/remote.php(31): OCA\\\\DAV\\\\Server->exec()\\n#6 \\\/var\\\/www\\\/owncloud\\\/remote.php(165): require_once('\\\/var\\\/www\\\/ownclo...')\\n#7 {main}\",\"File\":\"\\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php\",\"Line\":1184}"}
{"reqId":"tiQBpC6o0k2JQFssbn2h","level":3,"time":"2021-02-17T23:32:02+00:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Trying to access array offset on value of type bool at \/var\/www\/owncloud\/apps\/files_versions\/lib\/Storage.php#578"}
{"reqId":"tiQBpC6o0k2JQFssbn2h","level":3,"time":"2021-02-17T23:32:02+00:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Trying to access array offset on value of type bool at \/var\/www\/owncloud\/apps\/files_versions\/lib\/Storage.php#579"}
{"reqId":"ZmA6be7YGfVFBJyu9E4l","level":3,"time":"2021-02-18T15:25:09+00:00","remoteAddr":"172.17.42.1","user":"owncloud","app":"PHP","method":"POST","url":"\/owncloud\/apps\/onlyoffice\/ajax\/new","message":"Use of undefined constant shareToken - assumed 'shareToken' (this will throw an Error in a future version of PHP) at \/var\/www\/owncloud\/apps\/onlyoffice\/controller\/editorcontroller.php#178"}
{"reqId":"EYovmWmbA7K2GO2thPid","level":3,"time":"2021-02-18T17:25:45+00:00","remoteAddr":"172.17.42.1","user":"owncloud","app":"settings","method":"POST","url":"\/owncloud\/settings\/users\/users","message":"Can't send new user mail to 1@1.com: Expected response code 220 but got an empty response"}
{"reqId":"ZMLBAXEEJahsIjQl9CyR","level":3,"time":"2021-02-18T17:25:58+00:00","remoteAddr":"172.17.42.1","user":"owncloud","app":"settings","method":"POST","url":"\/owncloud\/settings\/users\/users","message":"Can't send new user mail to 01@1.com: Expected response code 220 but got an empty response"}
{"reqId":"Z1y4n50YMNJgbBzSnhFJ","level":3,"time":"2021-02-18T17:26:14+00:00","remoteAddr":"172.17.42.1","user":"owncloud","app":"settings","method":"POST","url":"\/owncloud\/settings\/users\/users","message":"Can't send new user mail to 1@1.com: Expected response code 220 but got an empty response"}
{"reqId":"SnEUOUWujXVtsyhAZFpk","level":3,"time":"2021-02-18T17:26:28+00:00","remoteAddr":"172.17.42.1","user":"owncloud","app":"settings","method":"POST","url":"\/owncloud\/settings\/users\/users","message":"Can't send new user mail to 1@1.com: Expected response code 220 but got an empty response"}
{"reqId":"ql99aJOX6vZbR1YYwYty","level":3,"time":"2021-02-18T20:12:14+00:00","remoteAddr":"172.17.42.1","user":"owncloud","app":"settings","method":"POST","url":"\/owncloud\/settings\/users\/users","message":"Can't send new user mail to 1@1.com: Expected response code 220 but got an empty response"}
{"reqId":"F22o5mP792W6rjlvVLNY","level":4,"time":"2021-02-18T20:19:50+00:00","remoteAddr":"172.17.42.1","user":"0011","app":"webdav","method":"MKCOL","url":"\/owncloud\/remote.php\/dav\/files\/0011\/Photos","message":"Exception: HTTP\/1.1 405 The resource you tried to create already exists: {\"Exception\":\"Sabre\\\\DAV\\\\Exception\\\\MethodNotAllowed\",\"Message\":\"The resource you tried to create already exists\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/CorePlugin.php(560): Sabre\\\\DAV\\\\Server->createCollection()\\n#1 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/event\\\/lib\\\/WildcardEmitterTrait.php(89): Sabre\\\\DAV\\\\CorePlugin->httpMkcol()\\n#2 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(472): Sabre\\\\DAV\\\\Server->emit()\\n#3 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(253): Sabre\\\\DAV\\\\Server->invokeMethod()\\n#4 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/lib\\\/Server.php(330): Sabre\\\\DAV\\\\Server->start()\\n#5 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/appinfo\\\/v2\\\/remote.php(31): OCA\\\\DAV\\\\Server->exec()\\n#6 \\\/var\\\/www\\\/owncloud\\\/remote.php(165): require_once('\\\/var\\\/www\\\/ownclo...')\\n#7 {main}\",\"File\":\"\\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php\",\"Line\":1184}"}
{"reqId":"aPb26oBG1cN8DFOTWa4l","level":4,"time":"2021-02-18T20:19:50+00:00","remoteAddr":"172.17.42.1","user":"0011","app":"webdav","method":"MKCOL","url":"\/owncloud\/remote.php\/dav\/files\/0011\/Documents","message":"Exception: HTTP\/1.1 405 The resource you tried to create already exists: {\"Exception\":\"Sabre\\\\DAV\\\\Exception\\\\MethodNotAllowed\",\"Message\":\"The resource you tried to create already exists\",\"Code\":0,\"Trace\":\"#0 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/CorePlugin.php(560): Sabre\\\\DAV\\\\Server->createCollection()\\n#1 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/event\\\/lib\\\/WildcardEmitterTrait.php(89): Sabre\\\\DAV\\\\CorePlugin->httpMkcol()\\n#2 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(472): Sabre\\\\DAV\\\\Server->emit()\\n#3 \\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php(253): Sabre\\\\DAV\\\\Server->invokeMethod()\\n#4 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/lib\\\/Server.php(330): Sabre\\\\DAV\\\\Server->start()\\n#5 \\\/var\\\/www\\\/owncloud\\\/apps\\\/dav\\\/appinfo\\\/v2\\\/remote.php(31): OCA\\\\DAV\\\\Server->exec()\\n#6 \\\/var\\\/www\\\/owncloud\\\/remote.php(165): require_once('\\\/var\\\/www\\\/ownclo...')\\n#7 {main}\",\"File\":\"\\\/var\\\/www\\\/owncloud\\\/lib\\\/composer\\\/sabre\\\/dav\\\/lib\\\/DAV\\\/Server.php\",\"Line\":1184}"}
{"reqId":"t8B7XLvljN7LivMKVfrZ","level":3,"time":"2021-02-18T20:26:37+00:00","remoteAddr":"172.17.42.1","user":"0011","app":"PHP","method":"POST","url":"\/owncloud\/apps\/onlyoffice\/ajax\/new","message":"Use of undefined constant shareToken - assumed 'shareToken' (this will throw an Error in a future version of PHP) at \/var\/www\/owncloud\/apps\/onlyoffice\/controller\/editorcontroller.php#178"}
{"reqId":"ijXGgqOiA6kDdiaZFxFf","level":3,"time":"2021-02-18T22:17:55+00:00","remoteAddr":"172.17.42.1","user":"0015","app":"PHP","method":"POST","url":"\/owncloud\/apps\/onlyoffice\/ajax\/new","message":"Use of undefined constant shareToken - assumed 'shareToken' (this will throw an Error in a future version of PHP) at \/var\/www\/owncloud\/apps\/onlyoffice\/controller\/editorcontroller.php#178"}
{"reqId":"lTRCkgZw2IHPLGOp7l4l","level":3,"time":"2021-02-18T22:56:02+00:00","remoteAddr":"172.17.42.1","user":"0015","app":"PHP","method":"POST","url":"\/owncloud\/apps\/onlyoffice\/ajax\/new","message":"Use of undefined constant shareToken - assumed 'shareToken' (this will throw an Error in a future version of PHP) at \/var\/www\/owncloud\/apps\/onlyoffice\/controller\/editorcontroller.php#178"}
{"reqId":"VN3mR3MYKEDDQ0hjZhsp","level":3,"time":"2021-02-18T23:03:02+00:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Trying to access array offset on value of type bool at \/var\/www\/owncloud\/apps\/files_versions\/lib\/Storage.php#578"}
{"reqId":"VN3mR3MYKEDDQ0hjZhsp","level":3,"time":"2021-02-18T23:03:02+00:00","remoteAddr":"","user":"--","app":"PHP","method":"--","url":"--","message":"Trying to access array offset on value of type bool at \/var\/www\/owncloud\/apps\/files_versions\/lib\/Storage.php#579"}
{"reqId":"J2n0Eq3ilQsgVmiS6cGX","level":3,"time":"2021-02-20T15:12:26+00:00","remoteAddr":"172.17.42.1","user":"0015","app":"PHP","method":"POST","url":"\/owncloud\/apps\/onlyoffice\/ajax\/new","message":"Use of undefined constant shareToken - assumed 'shareToken' (this will throw an Error in a future version of PHP) at \/var\/www\/owncloud\/apps\/onlyoffice\/controller\/editorcontroller.php#178"}
{"reqId":"B7fQ8DgKr6Gfb4zxwuug","level":3,"time":"2021-02-20T15:17:28+00:00","remoteAddr":"172.17.42.1","user":"0015","app":"PHP","method":"POST","url":"\/owncloud\/apps\/onlyoffice\/ajax\/new","message":"Use of undefined constant shareT