How To Fix PO167 - Character number & is not defined

PO167 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 167

• Message text: Character number & is not defined

What causes this issue?

The specified character number does not exist.

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?

If the number has been typed correctly, confirm this by pressing Enter,
save any changes and return to the main menu of the transaction.
Choose the menu option 'Character' and add the corresponding character.
You can then use the character in the character set editor.

Error message extract from SAP system. Copyright SAP SE.

PO167 - Details

• The SAP error message PO167 ("Character number & is not defined") typically occurs when there is an issue with the character set or encoding in the SAP system. This error can arise in various contexts, such as when processing purchase orders, invoices, or other documents that involve text fields.
  
  Cause:
  
  Invalid Character Encoding: The character number referenced in the error message is not recognized by the system, which may be due to an unsupported character set or encoding.
  Data Entry Issues: If a user manually enters data that includes special characters or symbols not defined in the system's character set, this error can occur.
  Custom Development: If there are custom programs or enhancements that handle text data, they may not properly account for certain characters.
  Transport Issues: If data has been transported from one system to another (e.g., from development to production), character encoding issues may arise if the systems are not aligned in terms