Error in CRP handling of JV items: &1

What causes this issue?

The Joint Venture Integration Manager tries to split JV items according
to the CRP data. This process causes an internal error of type: '&V1&'

System Response

The document cannot be posted

How to fix this error?

Please create an OSS message. This message should contain the error
number 'G5 750' as well as the message short text. Furthermore the
circumstances under which the error occurs should be described

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.