How To Fix SOS_MAPPING127 - You can only use & to specify the GUID field

SAP Error Message - Details

• Message type: E = Error

• Message class: SOS_MAPPING - Object Services: Persistence Mapping for Messages

• Message number: 127

• Message text: You can only use & to specify the GUID field

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 SOS_MAPPING127 - You can only use & to specify the GUID field ?

  The SAP error message SOS_MAPPING127, which states "You can only use & to specify the GUID field," typically occurs in the context of data mapping or transformation processes, particularly when working with SAP Data Services or similar tools that involve data integration and ETL (Extract, Transform, Load) operations.
  Cause:
  This error usually arises when there is an attempt to use a field that is not a GUID (Globally Unique Identifier) in a context where a GUID is expected. The error message indicates that the system is expecting a specific format or type of data (in this case, a GUID) and that the mapping or transformation logic is incorrectly configured.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Mapping Configuration: Review the mapping or transformation logic where the error occurs. Ensure that you are using the correct field that is defined as a GUID. 
  
  
  Use the Correct Field: If you are trying to map a field that is not a GUID, replace it with the appropriate GUID field. In many cases, GUID fields are denoted with an ampersand (&) in the mapping configuration.
  
  
  Validate Data Types: Ensure that the data types of the fields being used in the mapping are compatible. If a GUID is expected, make sure that the source field is indeed a GUID.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources for the specific tool you are using (e.g., SAP Data Services) to understand the requirements for GUID fields and how to properly configure them.
  
  
  Test the Mapping: After making the necessary changes, test the mapping again to ensure that the error is resolved.
  
  
  Related Information:
  
  GUID Definition: A GUID is a unique identifier used in software applications to uniquely identify information without significant central coordination.
  SAP Data Services: This is a data integration and transformation tool that allows users to connect to various data sources, transform data, and load it into target systems.
  Error Handling: Familiarize yourself with common error messages in SAP and how to troubleshoot them effectively. This can help in quickly resolving similar issues in the future.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.