Ich habe im grommunio-sync.log noch folgendes gefunden:
Fatal error: /usr/share/php-mapi/class.meetingrequest.php:1928 - Uncaught TypeError: mapi_getprops(): Argument #1 ($any) must be of type resource, bool given in /usr/share/php-mapi/class.meetingrequest.php:1928
Stack trace:
#0 /usr/share/php-mapi/class.meetingrequest.php(1928): mapi_getprops(false, Array)
#1 /usr/share/php-mapi/class.meetingrequest.php(3803): Meetingrequest->openCustomUserStore('\x00\x00\x00\x00\x81+\x1F\xA4\xBE\xA3\x10\x19\x9Dn\x00...')
#2 /usr/share/php-mapi/class.meetingrequest.php(3555): Meetingrequest->getDelegatorStore('\x00\x00\x00\x00\x81+\x1F\xA4\xBE\xA3\x10\x19\x9Dn\x00...', Array)
#3 /usr/share/php-mapi/class.meetingrequest.php(1635): Meetingrequest->getCorrespondentCalendarItem(true)
#4 /usr/share/php-mapi/class.meetingrequest.php(292): Meetingrequest->isLocalOrganiser()
#5 /usr/share/grommunio-sync/lib/grommunio/mapiprovider.php(792): Meetingrequest->processMeetingRequestResponse()
#6 /usr/share/grommunio-sync/lib/grommunio/mapiprovider.php(67): MAPIProvider->getEmail(Resource id #41, Object(ContentParameters))
#7 /usr/share/grommunio-sync/lib/grommunio/mapiphpwrapper.php(106): MAPIProvider->GetMessage(Resource id #41, Object(ContentParameters))
#8 [internal function]: PHPWrapper->ImportMessageChange(Array, 2048, NULL)
#9 /usr/share/grommunio-sync/lib/grommunio/exporter.php(299): mapi_exportchanges_synchronize(Resource id #36)
#10 /usr/share/grommunio-sync/lib/request/sync.php(1210): ExportChangesICS->Synchronize()
#11 /usr/share/grommunio-sync/lib/request/sync.php(965): Sync->syncFolder(Object(SyncCollections), Object(SyncParameters), Object(ExportChangesICS), 23837, Object(ImportChangesStream), 1, '1673347704/4291...')
#12 /usr/share/grommunio-sync/lib/request/requestprocessor.php(98): Sync->Handle(0)
#13 /usr/share/grommunio-sync/index.php(114): RequestProcessor::HandleRequest()
#14 {main}
thrown (1)