Source:  ARASCON

Explanation:  The disk might be full, or the server might be running out of available memory.

Action:  If the disk is full, use the PURGE command to permanently remove previously deleted files. If more disk space is needed, move files to another volume, or delete or archive unneeded files.

If the server is running out of available memory, add memory to the server or increase the available server memory using one of the methods described in Resolving Memory Problems