How To Fix PV749 - Enter a valid reference unit combination

SAP Error Message - Details

• Message type: E = Error

• Message class: PV - Training and Event Management

• Message number: 749

• Message text: Enter a valid reference unit combination

How to fix this error?

The following combinations of reference units are allowed:
per business event
per time unit
per attendee
per attendee / per time unit

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PV749 - Enter a valid reference unit combination ?

  The SAP error message "PV749 Enter a valid reference unit combination" typically occurs in the context of SAP's Product Lifecycle Management (PLM) or when dealing with material management and production planning. This error indicates that the system is unable to find a valid combination of reference units for the operation you are trying to perform.
  Cause:
  
  Invalid Unit of Measure (UoM): The reference unit of measure you are trying to use may not be defined or may not be valid for the material or operation in question.
  Missing Configuration: The configuration for the material or product may not be set up correctly, leading to the system not recognizing the unit combination.
  Data Inconsistency: There may be inconsistencies in the master data related to the material, such as missing or incorrect entries in the material master or related tables.
  Incorrect Settings in Customizing: The settings in the SAP customizing (transaction SPRO) related to units of measure or material types may not be correctly configured.
  
  Solution:
  
  Check Unit of Measure: Verify that the unit of measure you are trying to use is valid for the material. You can do this by checking the material master data (transaction MM03) and looking at the units of measure tab.
  Review Material Master Data: Ensure that all necessary data is correctly maintained in the material master. This includes checking the base unit of measure, alternative units of measure, and any relevant conversion factors.
  Check Configuration: Go to transaction SPRO and check the configuration settings related to units of measure and material types. Ensure that the reference unit combinations are correctly defined.
  Consult Documentation: Review SAP documentation or help resources for any specific requirements or configurations related to the error message.
  Test with Different Combinations: If applicable, try using different combinations of reference units to see if the error persists. This can help identify if the issue is with a specific unit or combination.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if this is a production issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and SPRO (SAP Reference IMG).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or patches.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.