How To Fix DT263 - Field & contains a non-alphanumeric character

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 263

• Message text: Field & contains a non-alphanumeric character

What causes this issue?

The name of the field contains a character which is not allowed under
the SAP naming convention. The characters allowed are letters, numbers
and the underscore character. Numbers and underscores may not be used
in the second or third position of a name.

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 DT263 - Field & contains a non-alphanumeric character ?

  The SAP error message DT263 indicates that a specific field (denoted by the placeholder "&") contains a non-alphanumeric character. This error typically arises when the data being entered into a field does not conform to the expected format, which usually requires only alphanumeric characters (letters and numbers) without any special characters, spaces, or punctuation.
  Cause:
  
  Invalid Characters: The field may contain special characters such as punctuation marks, symbols, or spaces that are not allowed.
  Data Entry Errors: Users may inadvertently enter invalid characters while inputting data.
  Data Import Issues: If data is being imported from an external source, it may contain non-alphanumeric characters that are not compatible with the SAP field requirements.
  Field Configuration: The field may be configured to accept only alphanumeric characters, and any deviation from this will trigger the error.
  
  Solution:
  
  Check Input Data: Review the data being entered into the field and ensure that it contains only alphanumeric characters (A-Z, a-z, 0-9).
  Remove Invalid Characters: If there are any special characters, spaces, or punctuation, remove them or replace them with valid alphanumeric characters.
  Data Validation: Implement validation checks in the data entry process to prevent users from entering invalid characters.
  Review Data Import Processes: If the error occurs during data import, ensure that the source data is cleaned and validated before importing it into SAP.
  Field Configuration Review: If necessary, review the field configuration in the SAP system to understand its constraints and adjust them if appropriate (though this may require authorization and should be done with caution).
  
  Related Information:
  
  SAP Documentation: Refer to SAP's official documentation for specific field requirements and constraints.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the field definitions and constraints.
  User Training: Provide training to users on the correct data entry practices to minimize errors.
  Error Logs: Check SAP error logs for additional context or related errors that may help in diagnosing the issue.
  
  By following these steps, you should be able to resolve the DT263 error and ensure that the data entered into the SAP system meets the required standards.