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APX-1020-01-W Program does not contain appropriate modifiable express PCB for error response Error after DB update will result in ROLB and no response to terminal user possible

Caused when the following conditions are all met:
Restriction: This topic applies only when the AppMaster Builder AddPack has been installed, and applies only to Windows platforms.
  1. The program performs database updates
  2. The DC target is IMS
  3. The PSB does not provide an EXPRESS PCB that may be used for responding to the originating LTERM.

If error occurs after successful updates, AMB sends the screen and error message via an EXPRESS PCB and terminates the program with a ROLB call. If an appropriate EXPRESS PCB is not available, the program terminates without responding.

Resolution:

Add an EXPRESS PCB and recompile program, or accept that in some error situations, no response to the terminal is possible. If the program performs only one update in a single execution, ignore this message.

Note: In conversational programs, be sure your alternate IO PCB contains the parameters EXPRESS=YES, MODIFY=YES, and ALTRESP=YES.
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