Crash on witing to directory like a file

[LaKing]

May 08 09:46:19 codepad-demo.d250.hu node[506]: [2016-05-08 09:46:19.574] [INFO] console - CODEPAD MSG: PUSH_TO_FILESYSTEM a.RqnKGlAFxi9PSpNK null
May 08 09:46:19 codepad-demo.d250.hu node[506]: [2016-05-08 09:46:19.575] [WARN] message - Dropped message, unknown COLLABROOM Data Type PUSH_TO_FILESYSTEM
May 08 09:46:19 codepad-demo.d250.hu node[506]: [2016-05-08 09:46:19.575] [INFO] console - CODEPAD Failed to write text to /srv/codepad-project/test
May 08 09:46:19 codepad-demo.d250.hu node[506]: [2016-05-08 09:46:19.661] [INFO] ueberDB - Flushed 1 values
May 08 09:46:22 codepad-demo.d250.hu node[506]: [2016-05-08 09:46:22.079] [ERROR] console - Error: EISDIR: illegal operation on a directory, read
May 08 09:46:22 codepad-demo.d250.hu node[506]: at Error (native)