How To Fix OT151 - The second predecessor does not refer to the same add-on

OT151 - Overview

• Message type: E = Error

• Message class: OT - SAP Online Correction Support (SOCS)

• Message number: 151

• Message text: The second predecessor does not refer to the same add-on

What causes this issue?

Conflict Resolution Transports can only have other CRTs or Add-On
Support Packages of the same add-on as their second predecessor.
However, &v1& refers to add-on &v2&.

System Response

The second predecessor was not registered.

How to fix this error?

Specify a valid predecessor.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OT151 - The second predecessor does not refer to the same add-on ?

  The SAP error message OT151, which states "The second predecessor does not refer to the same add-on," typically occurs in the context of managing add-ons or enhancements in SAP systems, particularly when dealing with the dependencies of these add-ons.
  
  Cause:
  This error usually arises when there is a mismatch in the add-on dependencies. Specifically, it indicates that the second predecessor (another add-on or component that is required for the current add-on) does not match the expected add-on version or type. This can happen due to:
  
  Version Mismatch: The add-on you are trying to install or activate may require a specific version of another add-on that is not currently installed or is of a different version.
  Incorrect Configuration: The configuration settings for the add-ons may not be set correctly, leading to inconsistencies in the expected dependencies.
  Missing Add-ons: One of the required add-ons may not be installed in the system, or it may have been removed