How To Fix AXT_MODEL134 - No system settings are made in AXTSYS; prefix is defaulted

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 134

• Message text: No system settings are made in AXTSYS; prefix is defaulted

What causes this issue?

You have not made the basic settings for the setup of the Application
Enhancement Tool (AET) in the SAP GUI transaction AXTSYS. Especially in
a landscape with multiple development systems, a prefix has to be
specified.

System Response

A warning is displayed.

How to fix this error?

We recommend that you make the system settings before using the AET. It
is also possible to proceed; then the used prefix will be defaulted to
space.

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 AXT_MODEL134 - No system settings are made in AXTSYS; prefix is defaulted ?

  The SAP error message AXT_MODEL134 indicates that there are no system settings configured in the AXTSYS table, which is part of the SAP Advanced Planning and Optimization (APO) module. This error typically arises when the system is trying to access certain settings or configurations that are expected to be present but are missing.
  
  Cause:
  
  Missing Configuration: The AXTSYS table, which holds system settings for APO, is not populated with the necessary configuration data.
  Default Prefix: Since no specific settings are found, the system defaults to a standard prefix, which may not be suitable for your specific business processes.
  System Migration or Upgrade: If the system has recently been migrated or upgraded, the necessary settings may not have been transferred or configured correctly.
  
  
  Solution:
  
  Check AXTSYS Table: Verify the contents of the AXTSYS table to see if any entries exist. You can do this using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser).
  Configure System Settings: