CAC00107E IMS REGION CONTROLLER TERM ECB=xnnnnnnnn Snnn/Unnnn

Explanation
The IMS BMP/DBB service accessed IMS
data. The IMS region controller abended. In the message text, the
ECB value of the IMS region controller DFSRRC00 is displayed and the
system or user abend code is generated by the IMS region controller. 

User response
For a system abend, see the Messages and Codes documentation
for your version of z/OS to determine the meaning of the abend code.
For a user abend, see the Messages and Codes documentation for your
version of IMS to determine the meaning of the abend code.