How To Fix MB_RESERVATION001 - Only use &1 fields in IRM rules. Table &2 is not supported.

SAP Error Message - Details

• Message type: E = Error

• Message class: MB_RESERVATION - Reservation

• Message number: 001

• Message text: Only use &1 fields in IRM rules. Table &2 is not supported.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MB_RESERVATION001 - Only use &1 fields in IRM rules. Table &2 is not supported. ?

  The SAP error message MB_RESERVATION001 indicates that there is an issue with the use of fields in Inventory Management (IRM) rules. Specifically, it states that only certain fields (denoted by &1) are allowed in the rules, and the table referenced by &2 is not supported.
  Cause:
  This error typically arises when:
  
  You are trying to use fields from a table that is not supported in the context of the IRM rules.
  The configuration of the IRM rules is incorrect, possibly due to the inclusion of fields that are not permitted.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the IRM Rules Configuration:
  
  Review the IRM rules you have set up and ensure that you are only using the fields that are allowed (as indicated by &1 in the error message).
  Refer to the SAP documentation or help resources to identify which fields are permissible in your specific context.
  
  
  
  Modify the Rules:
  
  If you find that you are using unsupported fields, modify the rules to exclude those fields and replace them with the appropriate ones.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might provide additional context or solutions for this specific error. SAP Notes often contain patches or updates that can resolve known issues.
  
  
  
  Testing:
  
  After making changes to the IRM rules, test the configuration to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue on your own, consider reaching out to SAP Support for assistance. Provide them with the error message and details about your configuration for more targeted help.
  
  
  
  Related Information:
  
  IRM (Inventory Reservation Management): This is a component of SAP that deals with managing inventory reservations. Understanding how IRM rules work and what fields are supported is crucial for effective configuration.
  SAP Documentation: Always refer to the official SAP documentation for the most accurate and detailed information regarding error messages and system configurations.
  Community Forums: SAP Community and other forums can be valuable resources for finding solutions to similar issues encountered by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.