How To Fix V1477 - Schedule line &1 &2 is not copied from the reference document

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 477

• Message text: Schedule line &1 &2 is not copied from the reference document

What causes this issue?

The schedule line of the reference document cannot be copied, due to
the following reasons:
The schedule line category is not allowed and no appropriate schedule
line category could be determined.
The rules for copying control do not allow the copying of the schedule
line.

How to fix this error?

Check whether one of these reasons apply.

Error message extract from SAP system. Copyright SAP SE.