The finance project contains different main borrowers

What causes this issue?

The loans in a finance project have different main borrowers or
customers. This breaches an important consistency condition of the SAP
System.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Inform your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.