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

/SAPAPO/PPM_MAINTAIN538 - Overview

• 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