How To Fix PPESTATUS126 - You cannot change the class of status '&1' from &2 to &3

SAP Error Message - Details

• Message type: E = Error

• Message class: PPESTATUS - Messages: iPPE Status Management

• Message number: 126

• Message text: You cannot change the class of status '&1' from &2 to &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPESTATUS126 - You cannot change the class of status '&1' from &2 to &3 ?

  The SAP error message PPESTATUS126 indicates that there is an attempt to change the status class of a status in a way that is not allowed by the system. This typically occurs in the context of production planning or project management, where statuses are used to control the flow of processes.
  Cause:
  The error occurs when:
  
  You are trying to change the status of an object (like a production order, project, etc.) from one status class to another, which is not permitted.
  The status you are trying to change is locked or has dependencies that prevent it from being altered.
  The status change does not comply with the defined status management rules in the system.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Status Configuration: Review the configuration of status management in your SAP system. Ensure that the status classes and their transitions are correctly defined and that the change you are attempting is allowed.
  
  
  Review Dependencies: Investigate if there are any dependencies or conditions that prevent the status change. For example, certain statuses may only be changeable under specific conditions (e.g., the order must be completed or released).
  
  
  Use Correct Transaction: Ensure you are using the correct transaction or method to change the status. Some statuses can only be changed through specific transactions or processes.
  
  
  Authorization Check: Verify that you have the necessary authorizations to change the status. Lack of proper permissions can also lead to this error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on status management and the allowed transitions for the status classes involved.
  
  
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  Related Information:
  
  Status Management: Understanding how status management works in SAP is crucial. Each status has a defined class and can have specific rules regarding transitions.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like CO02 for changing production orders) that may be involved in the status change process.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  
  By following these steps, you should be able to identify the root cause of the PPESTATUS126 error and implement a solution.