Ubuntu Desktop client not connecting - error thrown -

Iā€™m running Nextcloud 10 on an ubuntu serverā€¦ I can access the server via the web interface as well as with my mobile devices but my desktop client will no longer connect (it stopped connecting this afternoon). Hereā€™s the error it has created

Fatal webdav Exception: {ā€œMessageā€:ā€œHTTP/1.1 400 expected filesize 10000000 got 4079616ā€,ā€œExceptionā€:ā€œSabre\DAV\Exception\BadRequestā€,ā€œCodeā€:0,ā€œTraceā€:"#0 /var/www/nextcloud/apps/dav/lib/Connector/Sabre/File.php(104): OCA\DAV\Connector\Sabre\File->createFileChunked(Resource id #94)\n#1 /var/www/nextcloud/apps/dav/lib/Connector/Sabre/Directory.php(137): OCA\DAV\Connector\Sabre\File->put(Resource id #94)\n#2 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php(1036): OCA\DAV\Connector\Sabre\Directory->createFile(ā€˜GG_2017_calendaā€¦ā€™, Resource id #94)\n#3 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/CorePlugin.php(523): Sabre\DAV\Server->createFile(ā€˜agregorigroup/0ā€¦ā€™, Resource id #94, NULL)\n#4 [internal function]: Sabre\DAV\CorePlugin->httpPut(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#5 /var/www/nextcloud/3rdparty/sabre/event/lib/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\n#6 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php(459): Sabre\Event\EventEmitter->emit(ā€˜method:PUTā€™, Array)\n#7 /var/www/nextcloud/3rdparty/sabre/dav/lib/DAV/Server.php(248): Sabre\DAV\Server->invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))\n#8 /var/www/nextcloud/apps/dav/appinfo/v1/webdav.php(60): Sabre\DAV\Server->exec()\n#9 /var/www/nextcloud/remote.php(165): require_once(ā€™/var/www/nextclā€¦ā€™)\n#10 {main}",ā€œFileā€:"/var/www/nextcloud/apps/dav/lib/Connector/Sabre/File.php",ā€œLineā€:405,ā€œUserā€:ā€œwaynegā€} 2016-10-26T00:28:33+00:00 wayneg

Thanks for any help,
Wayne

It basically means the file transfer was interrupted in some way. The complete file was not uploaded. This could be anything from a time out on the server, to a firewall interfering or just a network drop out.