SAPconnect system error: & & & &

What causes this issue?

SAPconnect has encountered an unexpected system error.
Place: &V1& &V2& &V3& &V4&.

System Response

Processing cannot be continued.

How to fix this error?

Check whether you have inserted a modification in the place specified
above. If not, report this error to our hotline.

Error message extract from SAP system. Copyright SAP SE.