FABK0114W TOSI API FUNC=RETURNBUF ERROR RC=`return_code` RSN=`reason_code`

Explanation
 The IMS Tools
Online System Interface client was unable to release the buffer.

System action
 Program FABKSPMN continues processing. The return
code is set to 4. 

User response
 See the IMS Tools
Online System Interface messages (FOIxxxxx). 