No authorization for displaying maintenance planner group &

What causes this issue?

You are trying to display an object for which
<GL:maintenance_planner_group>maintenance planner group</> &V1& from
<GL:maintenance_planning_plant>maintenance planning plant</> &V2&
has been entered.
Your <GL:user_master_record>user master record</> does not have the
necessary entry for <GL:transaction>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
display objects of this planner group in planning plant &V2&.
INCLUDE 'SYSTEMVERWALTER' OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.