Table types .......: &/&/&/& (number/successes/warnings/errors)

What causes this issue?

The number of table types to be activated, the number of successfully
activated table types, the number of table types activated with a
warning and the number of table types which were not activated are
listed.

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?

No action is required. If the activation of table types failed, look
for the reason in this log.

Error message extract from SAP system. Copyright SAP SE.