Running NC 12.0.2 stable. In the Log I see this:
Fatal webdav Sabre\Xml\ParseException: This should never happen (famous last words)
/myserver/nextcloud/3rdparty/sabre/xml/lib/Element/Base.php - line 86: Sabre\Xml\Reader->parseInnerTree()
[internal function] Sabre\Xml\Element\Base xmlDeserialize(Object(Sabre\Xml\Reader))
/myserver/nextcloud/3rdparty/sabre/xml/lib/Reader.php - line 248: call_user_func(Array, Object(Sabre\Xml\Reader))
/myserver/nextcloud/3rdparty/sabre/xml/lib/Reader.php - line 71: Sabre\Xml\Reader->parseCurrentElement()
/myserver/nextcloud/3rdparty/sabre/xml/lib/Service.php - line 118: Sabre\Xml\Reader->parse()
/myserver/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php - line 716: Sabre\Xml\Service->parse(Resource id #22, '/cloud/remote.p...', NULL)
[internal function] Sabre\DAV\CorePlugin->httpReport(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))
/myserver/nextcloud/3rdparty/sabre/event/lib/EventEmitterTrait.php - line 105: call_user_func_array(Array, Array)
/myserver/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 479: Sabre\Event\EventEmitter->emit('method REPORT', Array)
/myserver/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php - line 254: Sabre\DAV\Server->invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))
/myserver/nextcloud/apps/dav/lib/Server.php - line 253: Sabre\DAV\Server->exec()
/myserver/nextcloud/apps/dav/appinfo/v2/remote.php - line 33: OCA\DAV\Server->exec()
/myserver/nextcloud/remote.php - line 162: require_once('/myserver/nextc...')
{main}
2017-08-28T16:13:18+0200
Error PHP XMLReader::XML(): Empty string supplied as input at /myserver/nextcloud/3rdparty/sabre/xml/lib/Service.php#116 2017-08-28T16:13:18+0200
I am unaware of what could have caused this - and how to fix it. Any hint? Should I create a bug report for that? Wich what information added?