How To Fix DB754 - Invalid character "&" in hexadecimal field

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 754

• Message text: Invalid character "&" in hexadecimal field

What causes this issue?

You entered the character "&V1&" in a hexadecimal field, but the only
valid hex digits are 0 to 9 and A to F.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB754 - Invalid character "&" in hexadecimal field ?

  The SAP error message DB754, which states "Invalid character '&' in hexadecimal field," typically occurs when there is an attempt to process or store data in a hexadecimal format that contains invalid characters. In hexadecimal representation, only the characters 0-9 and A-F (or a-f) are valid. The presence of any other character, such as "&", leads to this error.
  Cause:
  
  Invalid Input Data: The most common cause is that the data being processed contains characters that are not valid in a hexadecimal context. This could happen if the data is being read from an external source or if there is a mistake in data entry.
  Data Conversion Issues: If there is a conversion process (e.g., converting a string to hexadecimal), and the input string contains invalid characters, this error can occur.
  Corrupted Data: Sometimes, data corruption can lead to invalid characters being present in fields that are expected to contain hexadecimal values.
  
  Solution:
  
  Data Validation: Check the input data for any invalid characters. Ensure that all data intended to be in hexadecimal format only contains valid characters (0-9, A-F).
  Data Cleansing: If the data is coming from an external source, implement data cleansing processes to remove or replace invalid characters before processing.
  Debugging: If the error occurs during a specific transaction or process, use debugging tools to trace the source of the invalid data. Look for the point in the code where the data is being generated or transformed.
  Error Handling: Implement error handling in your code to catch such issues early and provide meaningful feedback to users or logs for further analysis.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or function module you are using to see if there are any known issues or patches available.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error. Sometimes, SAP releases notes that address specific issues with certain versions of the software.
  Transaction Codes: If this error occurs in a specific transaction, note the transaction code and check for any known issues or updates related to that transaction.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and the solutions they implemented.
  
  By following these steps, you should be able to identify the cause of the DB754 error and implement a solution to resolve it.