No authorization for changing maintenance planner group &

What causes this issue?

You are trying to do one of the following:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

select, with a change transaction, an object for which
<GL:maintenance_planner_group>planner group</> &V1& from
<GL:maintenance_planning_plant>planning plant</> &V2& has been
entered, and your <GL:user_master_record>user master record</> does
not have the necessary entry for <GL:transaction>transaction</> &V3&
enter maintenance planner group &V1& from planning plant
&V2& for which you do not have the necessary entry in your user master
record for transaction &V3&.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

You need an entry in your user master record that will allow you to
change objects with maintenance planner group &V1& in planning
plant &V2& as well as allow you to enter the planner group in
object master records.
INCLUDE 'SYSTEMVERWALTER' OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.