No IDoc types for SAP Release '&' found

What causes this issue?

No IDoc types which are known in SAP Release '&v1&' were found.

System Response

The specified list is empty.

How to fix this error?

Check the specified SAP Release '&v1&'. If the release information is
correct, it is possible that data required for defining the IDoc types
is missing.

Error message extract from SAP system. Copyright SAP SE.