Select a different view

What causes this issue?

By means of the view, you have chosen before and after which function
modules the FI/CO diagnostic tool should check the FI/CO document. The
function modules in question are not implemented in your system or have
not been activated. Checking the FI/CO document with the selected view
is therefore not useful.

System Response

The FI/CO diagnostic tool terminates processing.

How to fix this error?

Select another view.

Error message extract from SAP system. Copyright SAP SE.