How To Fix /SAPAPO/OM066 - Mode with cover but no mode linkage via primary resource

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM -

• Message number: 066

• Message text: Mode with cover but no mode linkage via primary resource

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM066 - Mode with cover but no mode linkage via primary resource ?

  The SAP error message /SAPAPO/OM066 indicates that there is a configuration issue related to mode management in the Advanced Planning and Optimization (APO) module, specifically when using mode cover without a proper linkage to a primary resource. This error typically arises in the context of production planning and scheduling.
  Cause:
  
  
  Mode Configuration: The error occurs when a mode is defined to cover a certain production scenario, but there is no linkage established between that mode and the primary resource it is supposed to cover. This can happen if:
  
  The mode is not correctly assigned to the resource.
  The mode linkage is missing or incorrectly configured in the master data.
  The primary resource is not set up to utilize the mode in question.
  
  
  
  Resource Planning: If the primary resource is not set up to handle the mode or if the mode is not applicable to the resource, the system will throw this error.
  
  
  Solution:
  To resolve the /SAPAPO/OM066 error, you can follow these steps:
  
  
  Check Mode Configuration:
  
  Go to the mode configuration in the APO system and verify that the mode is correctly defined.
  Ensure that the mode is linked to the appropriate primary resource.
  
  
  
  Link Mode to Primary Resource:
  
  Navigate to the resource master data in APO.
  Check the settings for the primary resource and ensure that the mode is assigned correctly.
  If necessary, create or adjust the mode linkage to ensure that the primary resource can utilize the mode.
  
  
  
  Review Resource Planning:
  
  Ensure that the primary resource is capable of handling the mode in question. This may involve checking the resource's capabilities and constraints.
  If the mode is not applicable, consider removing it from the planning scenario or adjusting the planning parameters.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the planning run again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as /SAPAPO/RRP3 (Product View) or /SAPAPO/RES01 (Resource View) to check and modify the relevant settings.
  Documentation: Refer to SAP Help documentation for detailed guidance on mode management and resource configuration in APO.
  Support: If the issue persists after checking the configurations, consider reaching out to SAP support or consulting with an SAP APO expert for further assistance.
  
  By following these steps, you should be able to resolve the error and ensure that your mode configurations are correctly set up for effective planning and scheduling in SAP APO.