How To Fix PG822 - Incorrect characters in header modifier

SAP Error Message - Details

• Message type: E = Error

• Message class: PG - Error Messages for Master Data Programs

• Message number: 822

• Message text: Incorrect characters in header modifier

What causes this issue?

When the header modifier was specified, a prohibited character was
used. Please note that blank characters in particular are not allowed.

System Response

How to fix this error?

Delete the prohibited characters.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PG822 - Incorrect characters in header modifier ?

  The SAP error message PG822, which states "Incorrect characters in header modifier," typically occurs when there are invalid characters or formatting issues in the header of a document or data structure in SAP. This error is often encountered in the context of document processing, such as when working with purchase orders, sales orders, or other transactional documents.
  Cause:
  
  Invalid Characters: The header modifier may contain characters that are not allowed or recognized by the SAP system. This can include special characters, spaces, or non-printable characters.
  Incorrect Formatting: The header modifier may not adhere to the expected format or length defined by the system.
  Data Entry Errors: Manual data entry mistakes can lead to the inclusion of incorrect characters.
  Data Migration Issues: If data has been migrated from another system, it may contain characters that are incompatible with SAP.
  
  Solution:
  
  Check Header Modifier: Review the header modifier for any invalid characters. Ensure that it only contains valid alphanumeric characters and adheres to the expected format.
  Correct Formatting: Ensure that the header modifier meets the length and format requirements specified in the SAP documentation.
  Data Validation: Implement validation checks during data entry to prevent the inclusion of invalid characters.
  Use SAP Standard Tools: If the error occurs during data migration, consider using SAP's standard tools for data migration, which often include validation checks.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on valid characters and formats for the header modifier in the context you are working with.
  Debugging: If you have access to debugging tools, you can trace the process to identify where the invalid characters are being introduced.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary) or SE37 (Function Module).
  User Exits and BAdIs: If you are using custom code, review any user exits or BAdIs that may be modifying the header modifier.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.