Define a view class for class & in table PPFTVIEWCL

What causes this issue?

A class &v1& instance is to be displayed. However, no display
functionality could be found.

System Response

Display is not possible.

How to fix this error?

Configure the display functionality in table PPFTVIEWCL.

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.