How To Fix ATP_SE081 - Requirement class &3 not allowed (configuration not allowed) (&1, &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: ATP_SE - Message class for ATP-Services

• Message number: 081

• Message text: Requirement class &3 not allowed (configuration not allowed) (&1, &2)

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 ATP_SE081 - Requirement class &3 not allowed (configuration not allowed) (&1, &2) ?

  The SAP error message ATP_SE081 indicates that there is an issue with the requirement class specified in the configuration of the system. This error typically arises in the context of Advanced Planning (ATP) and can occur during the planning or availability check processes.
  Cause:
  The error message "Requirement class &3 not allowed (configuration not allowed) (&1, &2)" suggests that the requirement class specified in the configuration is not valid for the operation being performed. This can happen due to several reasons:
  
  Invalid Requirement Class: The requirement class specified in the configuration does not exist or is not defined correctly in the system.
  Configuration Settings: The configuration settings for the material or product may not allow the use of the specified requirement class.
  Master Data Issues: There may be issues with the master data setup, such as incorrect settings in the material master or the configuration profile.
  Planning Strategy: The planning strategy used may not be compatible with the requirement class.
  
  Solution:
  To resolve the ATP_SE081 error, you can take the following steps:
  
  
  Check Requirement Class:
  
  Verify that the requirement class specified in the error message is valid and exists in the system. You can do this by checking the configuration settings in the relevant transaction (e.g., SPRO).
  
  
  
  Review Configuration Settings:
  
  Go to the configuration settings for the material or product and ensure that the requirement class is allowed. This can be done in the material master (transaction MM02) or in the configuration profile.
  
  
  
  Adjust Master Data:
  
  Check the material master data for any inconsistencies or missing information. Ensure that the relevant fields are filled out correctly.
  
  
  
  Check Planning Strategy:
  
  Review the planning strategy assigned to the material. Ensure that it is compatible with the requirement class being used.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more information on requirement classes and their configurations.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM02 (Change Material), SPRO (Customizing), or MD04 (Stock/Requirements List) to investigate and resolve the issue.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Forums: Consider visiting SAP community forums or user groups for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the ATP_SE081 error and implement the necessary changes to resolve it.