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

/SAPAPO/OO_TR356 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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