How To Fix MPD601 - Screen layout has been changed

SAP Error Message - Details

• Message type: E = Error

• Message class: MPD - Message Class for A&D MPD

• Message number: 601

• Message text: Screen layout has been changed

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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Smart SAP Assistant

• What is the cause and solution for SAP error message MPD601 - Screen layout has been changed ?

  The SAP error message MPD601, which states "Screen layout has been changed," typically occurs in the context of the Material Master or other related transactions where the screen layout or field selection has been modified. This can happen due to various reasons, such as changes in configuration, user authorizations, or updates to the system.
  Cause:
  
  Configuration Changes: The screen layout for a specific transaction or material type may have been altered in the configuration settings. This could involve changes to field selection, mandatory fields, or optional fields.
  User Authorizations: The user may not have the necessary authorizations to view or edit certain fields, leading to the error message.
  Custom Enhancements: Custom developments or enhancements in the SAP system may have changed the standard behavior of the screen layout.
  Transport Requests: Changes transported from a development environment to a production environment may not have been properly implemented or may have conflicts.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the relevant transaction or material type in the SPRO (SAP Project Reference Object) transaction. Ensure that the screen layout is set up correctly.
  User Authorizations: Verify that the user has the appropriate authorizations to access the fields in question. This can be done by checking the user's roles and authorizations in transaction SU53 or SU01.
  Review Custom Code: If there are custom enhancements or modifications, review the code to ensure that it is not interfering with the standard screen layout.
  Transport Management: If the issue arose after a transport, check the transport logs for any errors or warnings. Ensure that all necessary objects were transported correctly.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or material type for any known issues or changes.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM01 (Create Material), MM02 (Change Material), or MM03 (Display Material) to replicate the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide guidance on screen layout changes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact your SAP support team or consult with an SAP expert for further assistance.