No activity types could be selected

What causes this issue?

No activity types have been selected for the period &v1& to &v2&.
This can be due to the following:
The system could not find any activity types to match your selection
criteria.
Activity types were selected, but you are not authorized for the
selected processing type.
Activity types were selected, but these are currently locked by other
users.

System Response

Processing is terminated.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.