How To Fix /SAPAPO/OM_ERROR146 - Invalid mode for scheduling at activity

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 146

• Message text: Invalid mode for scheduling at activity

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/OM_ERROR146 - Invalid mode for scheduling at activity ?

  The SAP error message /SAPAPO/OM_ERROR146 Invalid mode for scheduling at activity typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the scheduling parameters of an activity in a production or planning process. This error indicates that the scheduling mode specified for an activity is not valid or not compatible with the current configuration or settings.
  Causes:
  
  Invalid Scheduling Mode: The scheduling mode set for the activity may not be valid. This could be due to incorrect configuration or a mismatch between the activity type and the scheduling mode.
  Configuration Issues: There may be issues in the configuration of the planning object or the activity itself, such as missing or incorrect settings in the master data.
  Incompatibility with Resource: The scheduling mode may not be compatible with the resources assigned to the activity.
  Data Integrity Issues: There could be inconsistencies in the data related to the activity, such as missing parameters or incorrect values.
  
  Solutions:
  
  Check Scheduling Mode: Review the scheduling mode assigned to the activity. Ensure that it is valid and appropriate for the type of activity you are working with.
  Review Configuration: Go through the configuration settings for the planning object and the activity. Make sure that all necessary parameters are correctly set up.
  Validate Resource Assignment: Ensure that the resources assigned to the activity are compatible with the scheduling mode. If necessary, adjust the resource settings or reassign resources.
  Data Consistency Check: Perform a data consistency check to identify any discrepancies in the master data related to the activity. Correct any issues found.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on valid scheduling modes for the type of activity you are working with.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/OM_ORDER or /SAPAPO/OM_SCHED to access and modify scheduling settings.
  Master Data: Ensure that the master data for the activity, including resources, production versions, and other relevant settings, is correctly maintained.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to this error message.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SAPAPO/OM_ERROR146 Invalid mode for scheduling at activity error.