How To Fix /SAPAPO/DM_SCHEDFAIL026 - Mode linkage of a relationship to the activity &1 cannot be adhered to

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DM_SCHEDFAIL -

• Message number: 026

• Message text: Mode linkage of a relationship to the activity &1 cannot be adhered to

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DM_SCHEDFAIL026 - Mode linkage of a relationship to the activity &1 cannot be adhered to ?

  The SAP error message /SAPAPO/DM_SCHEDFAIL026 indicates that there is an issue with the mode linkage of a relationship to an activity in the SAP Advanced Planning and Optimization (APO) module. This error typically arises during the scheduling process when the system cannot adhere to the defined mode linkage for a specific activity.
  
  Cause:
  The error can occur due to several reasons, including:
  
  
  Incompatible Mode Linkage: The mode linkage defined for the relationship does not match the mode that is currently being used for the activity. This can happen if the activity is set to use a mode that is not compatible with the relationship's requirements.
  
  
  Missing or Incorrect Configuration: The configuration for the modes or relationships may be incomplete or incorrect. This includes missing entries in the mode selection or relationship definitions.
  
  
  Capacity Constraints: There may be capacity constraints that prevent the system from adhering to the mode linkage. For example, if the capacity for