DFS3349I UNABLE TO INITIALIZE TIME CONTROL OPTION, REASON=....

Explanation

IMS was unable to initialize the Time-Controlled Operations (TCO). The reason code tells why TCO initialization failed.
Reason code
Meaning
OPEN
Unable to OPEN a data set.
CTT
Unable to find Communication Terminal Table (CTT) for TCO.
CTB
Unable to find Communication Terminal Block (CTB) for TCO.
GET0
Unable to acquire storage from subpool 0.
GETC
Unable to acquire storage from subpool 231.
NODD
DFSTCF DD card does not exist.
CIRL
Unable to create an ITASK for TCO CLB.
LOAD
Unable to load user exit DFSTCNT0.

System action

TCO is not initialized. IMS processing continues.

Programmer response

Take one of the following actions based on the reason code you received:
Reason code
Action
OPEN
Verify that the DFSTCF DD statement specifies the correct data set for TCO, or that the data set exists.
CTT
Check the link of the IMS nucleus to confirm that the TCO device-dependent module was included.
CTB
Check the IMS system definition to determine if a terminal block was accidentally deleted.
GET0
If sufficient storage is unavailable, increase the size of the control region.
GETC
If sufficient storage is unavailable, increase the size of the control region.
NODD
Information only. To use TCO now, stop and restart IMS to include the DFSTCF DD card.
CIRL
Determine why the ITASK creation is not successful and run IMS.
LOAD
Check that DFSTCNT0 is in the system.