TTK00030S The following key field(s) are required for table 'xxx': yyy
Explanation
Business Rules Server
A table requires certain key data fields to function properly. xxx is the name of the table task and yyy is a comma-separated value list of the missing key fields.
Operator response
Use the information in the message text to correct the data descriptor associated with this table task. If the problem persists or cannot be resolved, contact IBM® Support.