+invalid_upload = It seems that something is wrong with the file upload you want to submit.
+link_copy = Copying symbolic links does not work.
+link_edit = For security reasons, you cannot edit the target file of a symbolic link.
+link_replace = You are not allowed to overwrite symbolic links.
+lock_failed = Locking of '{USELIST}' failed. Try it again in a moment. If the problem persists, ask the administrator to check the lock file ('{LOCK_FILE}') and to recreate it if necessary.