FABJ4608E TOSI DISCONNECT ERROR RC=`nnnn` RSN=`nnnn`. IC PROCESS ABEND U4000 RSN=08

Explanation
 An attempt to end the IMS Tools Online System
Interface API client
environment failed.

System action
 The DBDs remain offline, and IMS HP Image Copy ends with
ABEND U4000 RSN=08.

User response
 Manually issue the /START command for the DBD. Contact IBM® Software Support and provide the dump.