How To Fix I0500 - Maintenance activity type & is not defined

I0500 - Overview

• Message type: E = Error

• Message class: I0 - Messages for PM tables

• Message number: 500

• Message text: Maintenance activity type & is not defined

What causes this issue?

You have entered <GL:maintenance_activity_type>maintenance activity
type</> &V1&. This maintenance activity type is not defined in the
system.

System Response

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

How to fix this error?

INCLUDE 'EINGABEN' OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

I0500 - Details

• The SAP error message "I0500 Maintenance activity type & is not defined" typically occurs when the system is unable to find a specific maintenance activity type that is referenced in a transaction or process. This can happen in various modules, particularly in Plant Maintenance (PM) or other related areas where maintenance activities are defined.
  
  Cause:
  
  Missing Configuration: The maintenance activity type has not been defined in the system. This could be due to a lack of configuration in the relevant customizing settings.
  Incorrect Input: The activity type being referenced may have been entered incorrectly, leading to the system not recognizing it.
  Transport Issues: If the configuration was recently transported from another system (like a development or quality system), it may not have been transported correctly or completely.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or use the defined activity types.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (IMG) and