Select the CICS Logical Unit of Work part to add a part that represents a CICS logical unit of work (LUW). An LUW represents a group of related CICS transactions. All CICS programs must be executed within the context of an LUW.

You can gain access to the CICS Error part if you select Tear-Off Attribute from the pop-up menu of the CICS Logical Unit of Work part, then select lastError.