IWNR1010E
[VALUE_0] Copy set VALUE_1 in session VALUE_2 was not created because the pair with source VALUE_3 and target VALUE_4 already exists in this session.
Explanation:

You cannot have copy sets containing the same source and target as another copy set within the same session.

Action:

Select a different source or target for copy set VALUE_1 in session VALUE_2 and try to create it again.

Related topics:

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