How To Fix AP273 - Coding mask cannot end with a special character

SAP Error Message - Details

• Message type: E = Error

• Message class: AP - Investment program messages

• Message number: 273

• Message text: Coding mask cannot end with a special character

What causes this issue?

You tried to create a coding mask that ends with special character &V1&
.
Special characters are intended to optically separate significant
segments of the position ID. Since no more segments occur at the end of
the position ID, a special character is not allowed here.

System Response

The coding mask is not created.

How to fix this error?

Do not create coding masks that end with special 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 AP273 - Coding mask cannot end with a special character ?

  The SAP error message AP273, which states "Coding mask cannot end with a special character," typically occurs when you are trying to define or modify a coding mask in the SAP system, and the last character of the mask is a special character that is not allowed.
  Cause:
  The coding mask is a template that defines the structure of account numbers or other identifiers in SAP. Special characters (like @, #, !, etc.) are often not permitted at the end of these masks because they can lead to ambiguity or errors in data entry and processing. The error is triggered when the coding mask you are trying to save or use does not comply with the defined rules.
  Solution:
  To resolve this error, you should:
  
  
  Review the Coding Mask: Check the coding mask you are trying to use. Ensure that it does not end with any special characters. The last character should be an alphanumeric character (letters or numbers).
  
  
  Modify the Mask: If the mask currently ends with a special character, modify it by replacing the last character with a valid alphanumeric character.
  
  
  Save Changes: After making the necessary adjustments, try saving the coding mask again.
  
  
  Related Information:
  
  Coding Masks: These are often used in various SAP modules, such as Financial Accounting (FI) or Controlling (CO), to define how account numbers or other identifiers are structured.
  Special Characters: The specific special characters that are not allowed can vary based on the configuration of your SAP system. It is advisable to consult the documentation or your system administrator for the exact rules applicable to your environment.
  Testing: After correcting the coding mask, it is a good practice to test the changes in a development or test environment before applying them to production.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP support team or consulting the SAP community for further assistance.