Multiple BAdI Implementation exists (see long text)

What causes this issue?

Multiple BAdI PIVB implementing classes exists for your Report
Catalog/Report Scenario ' &V1& '. Following implementations were found
(Only first 3 items listed.):
&V2&
&V3&
&V4&
To identify corresponding BAdI implementation display class in
transaction SE24. Execute 'Where Used List' with single option
'Enhancement Implementation'.

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?

Contact system administrator.

Procedure for System Administrators

Analyze implementations of BAdI PIVB. Exactly one BADI implementation
must be found for your Report Catalog / Report Scenario.

Error message extract from SAP system. Copyright SAP SE.