& of & IDocs were passed in parallel for processing

Message type: E = Error

Message class: B1 - ALE group messages

Message number: 288

Message text: & of & IDocs were passed in parallel for processing



What causes this issue?

A specified number of IDocs could be forwarded for processing. The
results of the processing are not yet known, but the IDocs probably no
longer have status 64.

Error message extract from SAP system. Copyright SAP SE.