How To Fix CNV_IUUC_DB_CONN155 - Unexpected character '&1'; row &2, column &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 155

• Message text: Unexpected character '&1'; row &2, column &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN155 - Unexpected character '&1'; row &2, column &3 ?

  The SAP error message CNV_IUUC_DB_CONN155 typically indicates an issue related to data conversion or migration, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. The error message suggests that there is an unexpected character in the data being processed, which can occur during data extraction, transformation, or loading (ETL) processes.
  Cause:
  
  
  Unexpected Characters: The error message indicates that there is an unexpected character (denoted by &1) in the data at a specific row (&2) and column (&3). This could be due to:
  
  Special characters that are not supported in the target database or format.
  Data corruption or incorrect encoding in the source data.
  Inconsistent data formats between source and target systems.
  
  
  
  Data Type Mismatch: The data type of the source field may not match the expected data type in the target field, leading to conversion issues.
  
  
  Configuration Issues: Incorrect configuration settings in the data migration or transformation process can also lead to this error.
  
  
  Solution:
  
  
  Identify the Problematic Data:
  
  Check the specific row and column mentioned in the error message to identify the unexpected character.
  Use tools or scripts to extract the problematic data for further analysis.
  
  
  
  Data Cleansing:
  
  Clean the data in the source system to remove or replace unexpected characters.
  Ensure that the data adheres to the expected format and encoding.
  
  
  
  Adjust Data Types:
  
  Verify that the data types in the source and target systems match. If necessary, adjust the data types in the target system to accommodate the source data.
  
  
  
  Configuration Review:
  
  Review the configuration settings of the data migration or transformation process to ensure they are set up correctly.
  Check for any mapping issues that may lead to data type mismatches.
  
  
  
  Testing:
  
  After making the necessary changes, re-run the data migration or transformation process to see if the error persists.
  Conduct thorough testing to ensure that the data is being processed correctly.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Review the documentation for the specific SAP tools you are using (e.g., SLT, Data Services) for best practices on data migration and transformation.
  Community Forums: Engage with SAP community forums or support channels to seek advice from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_IUUC_DB_CONN155 error message.