SAP Message 8B149 - Enter CFOPs with corresponding first digits

Diagnosis
CFOPs with different first digits have been entered. The CFOPs withinone Nota Fiscal must belong to the same CFOP group, i.e they must havethe same first digit.

Example
Entry of one item with CFOP 1.11 and of another item with CFOP 2.11.

System Response
It is not possible to continue.

Procedure
Check which line items contain incorrect CFOPs. Make the changes on therelevant line item detail screen or create a new Nota Fiscal toseparate items belonging to different CFOP groups.