$ LC_ALL=C owncloud --logwindow
12-19 09:01:33:478 oc_module: WRN: propfind named failed with 1, request error: Certificate verification error: signed using insecure algorithm
12-19 09:01:33:478 oc_module: Errno set to 10013
12-19 09:01:33:478 csync_ftw: opendir failed for ownclouds://host/remote.php/webdav/sync - Unknown error 10013 (errno 10013)
12-19 09:01:33:479  #### ERROR during  csync_update :  "An internal error number 1060 happend. Certificate verification error: signed using insecure algorithm" 
12-19 09:01:33:494 -> CSync Finished slot with error  true warn count 0