No activity types could be selected

What causes this issue?

No activity types were selected in period &v1& to &v2&.
This can have the following causes:
No activity types wered found for the selection criteria you specified.
Activity types were selected but you are not authorized to use the
selected processing type.
Activity types were selected but these are currently locked by other
users.

System Response

The data is not further processed.

How to fix this error?

Check the entered selection criteria, have your authorizations checked,
or wait until the other users have completed their processing.

Error message extract from SAP system. Copyright SAP SE.