How To Fix DB755 - Conversion error

SAP Error Message - Details

• Message type: E = Error

• Message class: DB - Messages for logical databases and background processing

• Message number: 755

• Message text: Conversion error

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB755 - Conversion error ?

  The SAP error message DB755, which indicates a "Conversion error," typically occurs during database operations when there is an issue with data type conversion. This can happen in various scenarios, such as when data is being read from or written to the database, or when data is being processed in ABAP programs.
  Causes of DB755 Conversion Error
  
  
  Data Type Mismatch: The most common cause is a mismatch between the data types in the database and the data types expected by the ABAP program. For example, trying to insert a string into a numeric field.
  
  
  Invalid Data Format: If the data being processed does not conform to the expected format (e.g., date formats, numeric formats), it can lead to conversion errors.
  
  
  Null Values: Attempting to convert null or empty values into a non-nullable field can also trigger this error.
  
  
  Database Constraints: If there are constraints in the database schema that are violated during data conversion, this error may occur.
  
  
  Character Set Issues: Problems with character encoding or character set mismatches can lead to conversion errors, especially when dealing with internationalization.
  
  
  Solutions to DB755 Conversion Error
  
  
  Check Data Types: Review the data types in your ABAP program and ensure they match the corresponding database fields. Use the appropriate data types and structures.
  
  
  Validate Input Data: Before performing database operations, validate the input data to ensure it meets the expected formats and constraints.
  
  
  Handle Null Values: Implement checks to handle null or empty values appropriately before attempting conversions.
  
  
  Review Database Constraints: Check the database schema for any constraints that might be causing the error and ensure that your data adheres to these constraints.
  
  
  Debugging: Use the ABAP debugger to trace the program execution and identify the exact point where the conversion error occurs. This can help pinpoint the problematic data or operation.
  
  
  Error Handling: Implement error handling in your ABAP code to gracefully manage conversion errors and provide meaningful feedback.
  
  
  Related Information
  
  Transaction Codes: You can use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to analyze the code where the error occurs.
  SAP Notes: Check SAP Notes for any known issues or patches related to the DB755 error. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Refer to the SAP Help Portal for documentation on data types and conversion rules in ABAP.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance, as they may have more insights into the specific context of the error in your system.