DFS1737I SC=08 STACK REQUESTED IN 'UNSTACK' STATEMENT IS EMPTY. 'UNSTACK' STATEMENT IGNORED

Explanation
 You have attempted to create a stack but have
not provided any records for the stack.

System action
 The UNSTACK statement is ignored, and processing
continues with the next source statement.

Programmer response
 Ensure that at least one statement is included
in the stack referenced by the UNSTACK statement.