20905   zERR FILE READ LOCKED

Source:  NSS, Common Layer, Locking-Related

Explanation:  An attempt to grant read access to the file failed.

Possible Cause:  A user requested read access, but at least one other user has requested exclusive access to the file.

Action:  You can use the console to search all the connections and find out which connections have the file open. Otherwise, wait until the other user closes the file.