How To Fix /SAPAPO/DMRES123 - Reference resource dimension not the same as resource dimension

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 123

• Message text: Reference resource dimension not the same as resource dimension

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES123 - Reference resource dimension not the same as resource dimension ?

  The SAP error message /SAPAPO/DMRES123 indicates that there is a mismatch between the dimensions of a reference resource and the actual resource in the context of SAP Advanced Planning and Optimization (APO). This error typically arises when you are trying to use a resource that has a different dimensionality than what is expected by the system.
  Cause:
  
  Dimension Mismatch: The reference resource (e.g., a resource that is being used as a template or a basis for planning) has a different number of dimensions compared to the resource you are trying to use. For example, if one resource is defined with 2 dimensions (like location and product) and another with 3 dimensions (like location, product, and time), this error will occur.
  Incorrect Configuration: The configuration settings for the resources may not be aligned, leading to discrepancies in how they are defined in the system.
  Data Inconsistencies: There may be inconsistencies in the master data or planning data that lead to this error.
  
  Solution:
  
  Check Resource Definitions: Review the definitions of both the reference resource and the actual resource. Ensure that they have the same number of dimensions and that the dimensions are defined consistently.
  Adjust Resource Settings: If necessary, modify the settings of the resources to ensure they match. This may involve changing the configuration of one of the resources to align with the other.
  Review Planning Area Settings: Ensure that the planning area settings are correctly configured and that the resources are assigned to the appropriate planning area.
  Data Consistency Check: Run consistency checks on your master data and planning data to identify any discrepancies that may be causing the issue.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on resource configuration and dimension settings.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  APO Configuration Guides: Review configuration guides for SAP APO to ensure that your resource settings are in line with best practices.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it. If the issue persists, consider reaching out to SAP support for further assistance.