How To Fix CRM_APO403 - It is not possible to save: Specified messages are not permitted

CRM_APO403 - Overview

• Message type: E = Error

• Message class: CRM_APO - Dates

• Message number: 403

• Message text: It is not possible to save: Specified messages are not permitted

What causes this issue?

You can only use one of the following messages to start a new
availability check:
- CRM_LISTING (001)
- CRM_PRP_CHECK (500)
- CRM_PRP_CHECK (501)
- CRM_PRP_CHECK (502)
- CRM_PRP_CHECK (503)

System Response

You cannot save while there are entries that are not permitted.

How to fix this error?

Remove the entries that are not permitted.

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.

CRM_APO403 - Details

• The SAP error message CRM_APO403, which states "It is not possible to save: Specified messages are not permitted," typically occurs in the context of SAP Customer Relationship Management (CRM) and Advanced Planning and Optimization (APO) when there are issues related to the data being processed or the configuration settings.
  
  Cause:
  
  
  Message Control Settings: The error often arises due to message control settings that restrict certain messages from being saved. This can happen if the system is configured to block specific types of messages or if the message type is not allowed in the current context.
  
  
  Data Validation Issues: There may be validation rules in place that prevent the saving of data due to missing or incorrect information.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the action, leading to the inability to save the data.
  
  
  Custom Code or Enhancements: If there are custom developments or enhancements in the system, they might