How To Fix IUUC_CLOG_CORE321 - Mapping for Field '&1' to Target DB Type

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_CLOG_CORE - SLT Change Log Messages

• Message number: 321

• Message text: Mapping for Field '&1' to Target DB Type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_CLOG_CORE321 - Mapping for Field '&1' to Target DB Type ?

  The SAP error message IUUC_CLOG_CORE321 typically occurs in the context of SAP Landscape Transformation (SLT) when there is an issue with mapping a source field to a target database type. This error can arise during the data replication process, particularly when the data types of the source and target systems do not match or when there is an issue with the configuration of the data mapping.
  Cause:
  
  Data Type Mismatch: The source field's data type does not have a corresponding or compatible data type in the target database.
  Field Length Issues: The length of the source field exceeds the maximum length allowed for the target field.
  Configuration Errors: There may be incorrect or incomplete configuration in the SLT settings, particularly in the mapping of fields.
  Unsupported Data Types: The source field may use a data type that is not supported by the target database.
  
  Solution:
  
  Check Data Types: Review the data types of the source fields in the SAP system and the corresponding target fields in the target database. Ensure that they are compatible.
  Adjust Field Lengths: If the field lengths are causing the issue, consider adjusting the lengths in the target database to accommodate the source data.
  Modify Mapping Configuration: Go to the SLT configuration and check the mapping settings. Ensure that all fields are correctly mapped and that there are no missing or incorrect mappings.
  Use Data Type Conversion: If necessary, implement data type conversion in the SLT configuration to ensure that the data types are compatible.
  Consult Documentation: Refer to the SAP documentation for SLT to understand the supported data types and any specific requirements for mapping.
  Test with Sample Data: If possible, test the replication with a small set of data to identify if the issue persists and to isolate the problematic fields.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data type mapping issues.
  SLT Configuration Guide: Review the SLT configuration guide for best practices on setting up data replication and field mapping.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to identify the root cause of the IUUC_CLOG_CORE321 error and implement a solution to resolve it.