How To Fix H99_PE01N_MESSAGES300 - You can only change a schema in the table display

SAP Error Message - Details

• Message type: E = Error

• Message class: H99_PE01N_MESSAGES - Messages for PE01N

• Message number: 300

• Message text: You can only change a schema in the table display

What causes this issue?

You want to change a schema in structure graphic mode. However it is
currently only possible to dispay in this mode.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message H99_PE01N_MESSAGES300 - You can only change a schema in the table display ?

  The SAP error message H99_PE01N_MESSAGES300 ("You can only change a schema in the table display") typically occurs in the context of the SAP HR module, particularly when dealing with personnel administration or organizational management data. This error indicates that the system is preventing changes to a schema in a way that is not allowed in the current context.
  Cause:
  
  Incorrect Mode: The error often arises when a user attempts to modify a schema or configuration in a mode that does not permit such changes. For example, if you are in a display mode rather than an edit mode.
  Authorization Issues: The user may not have the necessary authorizations to make changes to the schema.
  System Settings: The system may be configured to restrict changes to certain schemas or tables to prevent accidental modifications.
  
  Solution:
  
  Switch to Edit Mode: Ensure that you are in the correct mode to make changes. If you are in display mode, switch to edit mode to allow modifications.
  Check Authorizations: Verify that you have the necessary authorizations to make changes to the schema. You may need to contact your SAP security administrator to ensure you have the appropriate roles assigned.
  Use the Correct Transaction: Make sure you are using the correct transaction code for the task you are trying to perform. For example, if you are trying to change a schema, ensure you are using the appropriate transaction for schema maintenance.
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions on how to modify schemas in the context you are working in.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PE01 (for schema maintenance) and PE02 (for personnel calculation rules).
  SAP Notes: Check SAP Notes for any updates or patches that may address this issue.
  User Roles: Review user roles and authorizations in the SAP system to ensure compliance with security policies.
  
  By following these steps, you should be able to resolve the error and successfully make the necessary changes to the schema.