How To Fix SMT_CONFIG255 - Field Mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT_CONFIG - Configuration message class

• Message number: 255

• Message text: Field Mapping

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 SMT_CONFIG255 - Field Mapping ?

  The SAP error message SMT_CONFIG255 typically relates to issues in the field mapping configuration within the SAP System Landscape Transformation (SLT) or SAP Data Services. This error indicates that there is a problem with the mapping of fields between the source and target systems, which can prevent data replication or transformation processes from executing correctly.
  Cause:
  
  Incorrect Field Mapping: The source and target fields may not be correctly mapped, leading to discrepancies in data types or field lengths.
  Missing Fields: Required fields in the target system may not have corresponding fields in the source system, or vice versa.
  Data Type Mismatch: The data types of the mapped fields may not be compatible (e.g., trying to map a string to an integer).
  Configuration Errors: There may be errors in the configuration settings of the SLT or Data Services that affect how fields are mapped.
  Changes in Source/Target Structure: If there have been recent changes to the database schema in either the source or target systems, the existing mappings may no longer be valid.
  
  Solution:
  
  Review Field Mapping: Go to the field mapping configuration in the SLT or Data Services and verify that all fields are correctly mapped. Ensure that the source and target fields correspond correctly.
  Check Data Types: Ensure that the data types of the mapped fields are compatible. If necessary, adjust the data types in the mapping configuration.
  Add Missing Fields: If there are required fields that are missing from the mapping, add them to ensure that all necessary data is accounted for.
  Update Configuration: If there have been changes to the source or target structures, update the mapping configuration accordingly to reflect these changes.
  Test the Mapping: After making changes, test the mapping to ensure that data can be replicated or transformed without errors.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on field mapping and configuration for your version of SLT or Data Services.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to SMT_CONFIG255.
  SLT Documentation: Review the official SAP documentation for SLT or Data Services for detailed instructions on field mapping and configuration.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.