How To Fix /CFG/MIGRATION156 - Overflow during conversion to number of &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /CFG/MIGRATION -

• Message number: 156

• Message text: Overflow during conversion to number of &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CFG/MIGRATION156 - Overflow during conversion to number of &1 ?

  The SAP error message /CFG/MIGRATION156 Overflow during conversion to number of &1 typically occurs during data migration or conversion processes in SAP systems. This error indicates that there is an attempt to convert a value to a numeric type, but the value exceeds the allowable range for that numeric type, leading to an overflow.
  Cause:
  
  Data Type Mismatch: The source data may contain values that are too large or too small for the target numeric data type.
  Incorrect Data Format: The data being processed may not be in the expected format, leading to conversion issues.
  Configuration Issues: There may be configuration settings in the migration or conversion process that do not align with the data being processed.
  
  Solution:
  
  Check Source Data: Review the source data for any values that exceed the limits of the target numeric type. For example, if the target is an integer, ensure that the values are within the range of the integer type.
  Adjust Data Types: If possible, adjust the target data type to accommodate larger values. For instance, if the target is defined as an integer, consider changing it to a larger type like a long integer or decimal.
  Data Cleansing: Cleanse the data before migration to ensure that it meets the expected formats and ranges. This may involve truncating, rounding, or otherwise modifying the data.
  Review Migration Configuration: Check the migration configuration settings to ensure they are set up correctly and that they match the data being processed.
  Error Logging: Enable detailed logging during the migration process to capture more information about the specific values causing the overflow. This can help in identifying the problematic records.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Data Migration Tools: If you are using specific tools for data migration (like SAP Data Services or LSMW), refer to their documentation for best practices and troubleshooting tips.
  Testing: Before performing a full migration, conduct a test migration with a subset of data to identify potential issues without affecting the entire dataset.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and information about the migration process you are using.