How To Fix /SAPAPO/MA187 - The transaction was switched to the change mode

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 187

• Message text: The transaction was switched to the change mode

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MA187 - The transaction was switched to the change mode ?

  The SAP error message /SAPAPO/MA187 indicates that a transaction in the Advanced Planning and Optimization (APO) module has been switched to change mode. This typically occurs when the system detects that the data being processed is in a state that requires modification, or when certain conditions are not met for the transaction to proceed in display mode.
  Cause:
  
  Data Locking: The transaction may be trying to access data that is currently locked by another user or process.
  User Permissions: The user may not have the necessary permissions to view the data in display mode.
  Transaction Settings: The transaction may be configured to automatically switch to change mode under certain conditions, such as when specific fields are modified.
  System Configuration: There may be settings in the APO system that dictate how transactions are handled, leading to a switch to change mode.
  
  Solution:
  
  Check Data Locks: Verify if the data you are trying to access is locked by another user. You can use transaction SM12 to check for locks and release them if necessary.
  Review User Permissions: Ensure that your user role has the appropriate permissions to access the transaction in display mode. You may need to consult with your SAP security administrator.
  Transaction Configuration: Review the configuration settings for the transaction to understand why it is switching to change mode. This may involve checking the customizing settings in the APO module.
  System Logs: Check the system logs for any additional error messages or warnings that may provide more context about why the transaction switched modes.
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction you are using to understand its behavior and any known issues.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SM21 for system logs, SU53 for authorization checks, and ST22 for dumps.
  
  If the issue persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.