remotesync-ui not working

[earlytom]

Program doesn't upload images.

21:02:07.994 [AWT-EventQueue-0] DEBUG o.p.r.api.conf.ConfigurationUtil - found userConfig file C:\Users\tom\.config\piwigo\remotesync 21:02:08.010 [AWT-EventQueue-0] DEBUG o.p.r.api.conf.ConfigurationUtil - configuration written 21:02:08.010 [AWT-EventQueue-0] INFO o.p.remotesync.api.sync.LoginJob - Logging in.. 21:02:08.025 [AWT-EventQueue-0] INFO o.p.r.api.sync.ConnectedWalker - Connecting... 21:02:09.393 [AWT-EventQueue-0] INFO o.p.r.api.sync.ConnectedWalker - Connect successful 21:02:09.393 [AWT-EventQueue-0] INFO o.p.remotesync.api.sync.LoginJob - Login succeeded. 21:02:09.393 [AWT-EventQueue-0] DEBUG o.p.r.api.conf.ConfigurationUtil - found userConfig file C:\Users\tom\.config\piwigo\remotesync 21:02:09.399 [AWT-EventQueue-0] DEBUG o.p.r.api.conf.ConfigurationUtil - configuration written 21:02:10.682 [AWT-EventQueue-0] DEBUG o.p.r.api.conf.ConfigurationUtil - found userConfig file C:\Users\tom\.config\piwigo\remotesync 21:02:10.697 [AWT-EventQueue-0] DEBUG o.p.r.api.conf.ConfigurationUtil - configuration written 21:02:10.704 [AWT-EventQueue-0] INFO o.piwigo.remotesync.ui.swing.MainUI - Starting to sync.. 21:02:10.704 [AWT-EventQueue-0] INFO o.piwigo.remotesync.ui.swing.MainUI - Sync is done ! 21:02:10.704 [Thread-4] INFO o.piwigo.remotesync.api.sync.SyncJob - User tom will sync gallery http://192.168.0.50/piwigo with directory C:\Users\tom\Desktop\Neuer Ordner (4) C:\Users\tom\Desktop\Neuer Ordner (4) 21:02:10.704 [Thread-4] DEBUG o.p.remotesync.api.cache.LegacyCache - C:\Users\tom\Desktop\Neuer Ordner (4)\.piwigo_import_tree doesn't exist 21:02:10.735 [Thread-4] DEBUG o.p.r.api.sync.SyncDirectoryWalker - Album is already in cache : C:\Users\tom\Desktop\Neuer Ordner (4)\Bild 21:02:10.735 [Thread-4] INFO o.p.r.api.sync.SyncDirectoryWalker - Uploading DSC_4345.JPG in album with ID 6 21:02:11.437 [Thread-4] ERROR o.p.r.api.sync.ConnectedWalker - Cannot upload image for C:\Users\tom\Desktop\Neuer Ordner (4)\Bild\DSC_4345.JPG org.piwigo.remotesync.api.exception.ServerException: Missing "method" name (code 501) at org.piwigo.remotesync.api.client.WSClient.checkStatusCode(WSClient.java:141) ~[remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.client.WSClient.getXmlResponse(WSClient.java:122) ~[remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.client.WSClient.doSendRequest(WSClient.java:97) ~[remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.client.AbstractClient.sendRequest(AbstractClient.java:26) ~[remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.client.WSClient.sendRequest(WSClient.java:79) ~[remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.sync.ConnectedWalker.createImage(ConnectedWalker.java:114) ~[remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.sync.SyncDirectoryWalker.handleFile(SyncDirectoryWalker.java:75) [remotesync-ui.jar:1.0] at org.apache.commons.io.DirectoryWalker.walk(DirectoryWalker.java:367) [remotesync-ui.jar:1.0] at org.apache.commons.io.DirectoryWalker.walk(DirectoryWalker.java:364) [remotesync-ui.jar:1.0] at org.apache.commons.io.DirectoryWalker.walk(DirectoryWalker.java:335) [remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.sync.SyncDirectoryWalker.walk(SyncDirectoryWalker.java:81) [remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.sync.SyncJob.doExecute(SyncJob.java:43) [remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.Job.execute(Job.java:28) [remotesync-ui.jar:1.0] at org.piwigo.remotesync.api.Job$1.run(Job.java:39) [remotesync-ui.jar:1.0] at java.lang.Thread.run(Unknown Source) [na:1.8.0_361] 21:02:11.437 [Thread-4] INFO o.piwigo.remotesync.api.sync.SyncJob - Syncing done.