How To Fix UCT8209 - Source data format for field &1 is incompatible

SAP Error Message - Details

• Message type: E = Error

• Message class: UCT8 - Message class for UCT8(mapping)

• Message number: 209

• Message text: Source data format for field &1 is incompatible

What causes this issue?

The <LS>Conversion Exit</> indicator is not selected in the mapping rule
for field &V1&. Hence, the system interprets the source key figure as a
source value in SAP-internal format and continues processing it.
However, while moving the source key figure to target key figure &V1&, t
he system discovered that the format of the source value is incompatible
with the target format.

System Response

The system will not perform the move for field &V1&.

How to fix this error?

Select the <LS>Conversion Exit</> indicator for field &V1& and execute
the method again.

Procedure for System Administrators

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 UCT8209 - Source data format for field &1 is incompatible ?

  The SAP error message UCT8209 indicates that there is an incompatibility in the source data format for a specific field in your SAP system. This error typically arises during data processing or data import operations, where the format of the incoming data does not match the expected format defined in the SAP system.
  Cause:
  
  Data Type Mismatch: The data being imported or processed does not match the expected data type for the field. For example, if the field expects a numeric value but receives a string or alphanumeric value, this error can occur.
  Field Length Issues: The length of the incoming data exceeds the maximum length defined for the field in the SAP database.
  Incorrect Data Format: The format of the data (e.g., date format, decimal separator) does not conform to the expected format.
  Missing Required Fields: If a required field is missing or not populated correctly, it can lead to this error.
  
  Solution:
  
  Check Data Format: Review the data being imported or processed to ensure it matches the expected format for the field. This includes checking data types, lengths, and formats.
  Data Mapping: If you are using a data import tool or interface, ensure that the mapping between the source data and the SAP fields is correctly configured.
  Validation: Implement validation checks before importing data to catch any format issues early. This can include using data validation tools or scripts.
  Adjust Field Definitions: If necessary, consider adjusting the field definitions in SAP to accommodate the incoming data format, but this should be done with caution and proper testing.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the expected formats for the fields in question.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check transaction codes related to data import (e.g., LSMW, BAPIs, IDocs).
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional guidance.
  Debugging: If you have access to debugging tools, you can trace the process to identify where the incompatibility arises.
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  By addressing the specific cause of the incompatibility, you should be able to resolve the UCT8209 error and successfully process your data.