/IAM/OBJECT520 - Change of activity type not allowed; new type has a different category

SAP Error Message - Details

• Message type: E = Error

• Message class: /IAM/OBJECT -

• Message number: 520

• Message text: Change of activity type not allowed; new type has a different category

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message /IAM/OBJECT520 - Change of activity type not allowed; new type has a different category ?

  The SAP error message /IAM/OBJECT520 Change of activity type not allowed; new type has a different category typically occurs when there is an attempt to change the activity type of a particular object (like a project, task, or resource) to a type that belongs to a different category. This is a validation error that ensures data integrity within the SAP system.
  Cause:
  
  Activity Type Mismatch: The new activity type you are trying to assign is categorized differently than the current one. For example, you might be trying to change a labor activity type to a material activity type, which are treated differently in SAP.
  Configuration Settings: The system configuration may restrict changes between certain categories of activity types to prevent inconsistencies in data processing.
  Business Logic: The business rules defined in the system may not allow for such changes due to the implications it may have on reporting, costing, or other processes.
  
  Solution:
  
  Verify Activity Types: Check the current activity type and the new activity type you are trying to assign. Ensure that they belong to the same category.
  Use Correct Activity Type: If you need to change the activity type, select one that belongs to the same category as the current type.
  Consult Configuration: If you believe the change should be allowed, consult with your SAP configuration team to review the settings related to activity types and categories. They may need to adjust the configuration to allow for such changes.
  Data Migration: If you are migrating data or making bulk changes, ensure that the mapping of activity types is correct and adheres to the category constraints.
  Documentation and Training: Ensure that users are aware of the restrictions and the correct procedures for changing activity types to avoid this error in the future.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP frequently releases notes that may provide additional context or solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like CJ20N for project management) where this error might occur.
  User Roles and Authorizations: Ensure that the user attempting the change has the necessary authorizations to make changes to activity types.
  Testing in Development: If changes are made to configuration or processes, always test in a development or quality assurance environment before applying changes to production.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or your internal SAP team for further investigation.