How To Fix 28011 - Invalid character

SAP Error Message - Details

• Message type: E = Error

• Message class: 28 - Configuration

• Message number: 011

• Message text: Invalid character

What causes this issue?

The syntax check found an invalid character.

System Response

The cursor shows where the error occurs in your entries.

How to fix this error?

Check your entries. Please note that language-dependent special
characters, such as umlauts or the character "?" in German, cannot be
used.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 28011 - Invalid character ?

  The SAP error message "28011 Invalid character" typically occurs when there are invalid characters in the input data that do not conform to the expected format or character set. This error can arise in various contexts, such as during data entry, file uploads, or when processing certain transactions.
  Causes:
  
  Invalid Characters: The input data may contain characters that are not allowed, such as special characters, control characters, or characters from unsupported character sets.
  Data Format Issues: The data may not be formatted correctly according to the requirements of the specific field or transaction.
  Encoding Problems: If data is being imported from external sources, there may be encoding issues where the character set does not match what SAP expects.
  Field Length Exceeded: Sometimes, the error can occur if the input exceeds the maximum length allowed for a particular field.
  
  Solutions:
  
  Check Input Data: Review the data being entered or uploaded to ensure that it does not contain any invalid characters. Remove or replace any special characters that are not permitted.
  Validate Data Format: Ensure that the data adheres to the required format for the specific field. For example, if a field expects a numeric value, ensure that no alphabetic characters are included.
  Use Correct Encoding: If importing data, ensure that the file is saved in the correct encoding format (e.g., UTF-8) that SAP can process.
  Field Length Compliance: Verify that the data being entered does not exceed the maximum length defined for the field in SAP.
  SAP Notes and Documentation: Check SAP Notes or documentation related to the specific transaction or module you are working with for any known issues or additional guidance.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide specific insights based on the context of the error.
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the process you are working on (e.g., transaction codes for data uploads, master data maintenance, etc.).
  User Forums and Communities: Engaging with SAP user communities or forums can also provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the "28011 Invalid character" error in SAP.