How To Fix CNV20305718 - No space left to add an pre- or suffix

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20305 - Messages for conversion packages in CO

• Message number: 718

• Message text: No space left to add an pre- or suffix

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20305718 - No space left to add an pre- or suffix ?

  The SAP error message CNV20305718: No space left to add a pre- or suffix typically occurs during data migration or transformation processes, particularly when using the SAP S/4HANA Migration Cockpit or other data conversion tools. This error indicates that there is insufficient space in the target field to accommodate the new data being added, such as a prefix or suffix.
  Cause:
  
  Field Length Limitations: The target field in the database may have a defined length that is too short to hold the original data plus any additional characters (prefix or suffix) that you are trying to add.
  Data Type Mismatch: The data type of the target field may not support the additional characters being appended.
  Configuration Issues: There may be configuration settings in the migration tool that are not set correctly, leading to this error.
  
  Solution:
  
  
  Check Field Lengths: Review the length of the target fields in the database. Ensure that they are long enough to accommodate the original data plus any prefixes or suffixes.
  
  If necessary, increase the length of the target fields in the database schema.
  
  
  
  Adjust Data Mapping: If you are using a mapping tool, check the mapping configuration to ensure that the correct fields are being targeted and that the transformations (prefix/suffix) are appropriate for the data type and length.
  
  
  Review Data Types: Ensure that the data types of the source and target fields are compatible. If the target field is of a different type (e.g., CHAR vs. VARCHAR), it may lead to issues.
  
  
  Modify Prefix/Suffix: If possible, consider modifying or shortening the prefix or suffix you are trying to add to fit within the constraints of the target field.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand any limitations or requirements regarding field lengths and data types.
  
  
  Testing: After making adjustments, perform a test migration with a small dataset to ensure that the changes resolve the issue before proceeding with a full migration.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for any best practices or troubleshooting tips.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.