How To Fix /SAPAPO/PPM_MAINTAIN538 - More than one resource has been specified as cal. res. in mode &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PPM_MAINTAIN -

• Message number: 538

• Message text: More than one resource has been specified as cal. res. in mode &1 &2 &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPM_MAINTAIN538 - More than one resource has been specified as cal. res. in mode &1 &2 &3 ?

  The SAP error message /SAPAPO/PPM_MAINTAIN538 indicates that more than one resource has been specified as a "calculated resource" in a specific mode. This typically occurs in the context of Advanced Planning and Optimization (APO) when dealing with production planning and scheduling.
  Cause:
  The error arises when the system detects multiple resources assigned as calculated resources for a particular mode of a product. In APO, calculated resources are used to determine the capacity and availability of resources based on certain calculations rather than direct assignments. When more than one resource is defined as a calculated resource for the same mode, it leads to ambiguity, and the system cannot proceed with the planning process.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Resource Configuration:
  
  Go to the resource master data in APO and check the configuration for the resources involved.
  Ensure that only one resource is marked as a calculated resource for the specific mode in question.
  
  
  
  Adjust Resource Assignment:
  
  If multiple resources are indeed required, consider whether they can be consolidated into a single calculated resource or if they need to be treated as separate resources without the calculated designation.
  
  
  
  Review Mode Settings:
  
  Check the mode settings for the product in question. Ensure that the mode is correctly configured and that it aligns with the intended use of resources.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to resource planning and calculated resources to ensure compliance with best practices.
  
  
  
  Testing:
  
  After making adjustments, test the planning run again to ensure that the error does not reoccur.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after making the necessary adjustments, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/RES01 (Resource Master) or /SAPAPO/PPM (Production Planning and Detailed Scheduling) to access and modify resource settings.
  Documentation: Refer to the SAP Help Portal for detailed documentation on resource planning and configuration in APO.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing additional insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.