SAP Message WTADDI438 - You have selected &1 materials; the upper limit is &2

Diagnosis
You have limited the maximum number of materials that can be processedto &V2& to ensure that the time required to generate the IDoc remainswithin acceptable limits.

Procedure
Reduce your material selection such that you no longer exceed the limityou have set.

Notes
You can call several sessions of the transaction for generating anadditionals IDoc and then start the transaction in parallel. You canalso simplify the transaction, by using variants, for example.