How To Fix /SAPAPO/OO_TR356 - Invalid resource class chosen for MTr &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OO_TR -

• Message number: 356

• Message text: Invalid resource class chosen for MTr &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OO_TR356 - Invalid resource class chosen for MTr &1 ?

  The SAP error message /SAPAPO/OO_TR356 Invalid resource class chosen for MTr &1 typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with resource planning and transportation management.
  Cause:
  This error indicates that there is an issue with the resource class assigned to a specific transportation resource (MTr). The resource class is a categorization that defines the characteristics and capabilities of a resource. The error can arise due to several reasons:
  
  Incorrect Resource Class Assignment: The resource class assigned to the transportation resource may not be valid or compatible with the operations being performed.
  Missing Configuration: The necessary configuration for the resource class may not be set up in the system.
  Data Inconsistencies: There may be inconsistencies or errors in the master data related to the resource or its class.
  Version Issues: The error may also occur if there are discrepancies between the versions of the APO system and the data being used.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Resource Class Assignment:
  
  Go to the transaction where the resource is defined (e.g., /SAPAPO/RES01 for resources).
  Verify that the resource class assigned to the transportation resource (MTr) is valid and correctly configured.
  
  
  
  Review Configuration:
  
  Ensure that the resource class is properly configured in the system. This includes checking the settings in the configuration transaction (e.g., /SAPAPO/RC for resource classes).
  Make sure that all necessary parameters and settings for the resource class are defined.
  
  
  
  Validate Master Data:
  
  Check the master data for the transportation resource to ensure that there are no inconsistencies or missing information.
  If necessary, update or correct the master data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to resource classes and transportation management for any specific guidelines or updates.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve compatibility issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/RES01 for resource management and /SAPAPO/RC for resource class configuration.
  SAP Notes: Search for SAP Notes related to this error message in the SAP Support Portal, as they may provide specific fixes or workarounds.
  Documentation: Review the SAP APO documentation for best practices in resource planning and management.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /SAPAPO/OO_TR356 Invalid resource class chosen for MTr &1.