How To Fix AP023 - Coding mask &1 is blocked

AP023 - Overview

• Message type: E = Error

• Message class: AP - Investment program messages

• Message number: 023

• Message text: Coding mask &1 is blocked

What causes this issue?

In order to format the investment program position ID that was entered,
you need to use coding mask &V1&. However, this coding mask is locked
against creating new program positions.

How to fix this error?

Choose a key for the program position that can be formatted using a
valid coding mask.
If necessary, unlock the coding mask.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AP023 - Coding mask &1 is blocked ?

  The SAP error message AP023, which states "Coding mask &1 is blocked," typically occurs in the context of account assignment or when trying to create or modify master data in SAP. This error indicates that the coding mask (or account assignment mask) you are trying to use is currently blocked, preventing you from proceeding with your transaction.
  
  Cause:
  
  Blocked Coding Mask: The coding mask you are trying to use has been marked as blocked in the system. This could be due to administrative actions or settings that restrict its use.
  
  Configuration Issues: There may be configuration settings in the system that have led to the coding mask being blocked.
  User Authorizations: The user may not have the necessary authorizations to access or use the coding mask.
  
  
  Solution:
  
  
  Check the Status of the Coding Mask:
  
  Go to the relevant configuration transaction (e.g., OAOA for account assignment masks) and check the status of the coding mask. If it is