How To Fix RFM_XRP055 - ISO code &1 could not be converted to internal UoM (order plan item &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: RFM_XRP -

• Message number: 055

• Message text: ISO code &1 could not be converted to internal UoM (order plan item &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.

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 RFM_XRP055 - ISO code &1 could not be converted to internal UoM (order plan item &2) ?

  The SAP error message RFM_XRP055 indicates that there is an issue with converting an ISO code (International Organization for Standardization code) to an internal unit of measure (UoM) for a specific order plan item. This typically occurs in scenarios involving material management, inventory, or order processing where unit conversions are necessary.
  Cause:
  
  Missing or Incorrect Configuration: The ISO code provided may not be correctly configured in the system. This could be due to missing entries in the unit of measure tables or incorrect mappings between ISO codes and internal UoMs.
  Invalid ISO Code: The ISO code being used may not be valid or recognized by the system.
  Data Inconsistencies: There may be inconsistencies in the master data related to the material or order item, such as missing unit of measure data.
  Custom Development Issues: If there are custom programs or enhancements that handle unit conversions, there may be bugs or issues in that code.
  
  Solution:
  
  Check Configuration: Verify that the ISO code is correctly configured in the system. You can check the unit of measure settings in transaction codes like CUNI (Unit of Measure Conversion) or OMN1 (Define Units of Measure).
  Validate ISO Code: Ensure that the ISO code being used is valid and exists in the system. You can cross-reference it with the official ISO standards.
  Review Master Data: Check the material master data for the relevant order plan item to ensure that all necessary unit of measure information is correctly maintained.
  Debug Custom Code: If there are custom developments involved, review the code for any potential issues that could lead to this error.
  Consult Documentation: Refer to SAP documentation or notes related to unit of measure conversions for any specific guidance or known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CUNI, MM03 (Display Material), and ME23N (Display Purchase Order) to investigate the issue further.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Unit of Measure Tables: Understand the relevant tables in SAP that deal with units of measure, such as T006 (Units of Measure) and T006A (Units of Measure: Language-Dependent Texts).
  SAP Community: Engage with the SAP Community forums 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 error and implement a solution to resolve it.