How To Fix TN538 - Incompatible preconfigured systems (PCS) already installed

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 538

• Message text: Incompatible preconfigured systems (PCS) already installed

What causes this issue?

You can install multiple Preconfigured Systems (PCSs) in one SAP system
only if they belong to the same group and are compatible with each
other. Otherwise, you might overwrite your Customizing settings.
Preconfigured Systems from the group "&V1&" have been installed in your
system.

System Response

The Preconfigured System you have selected belongs to the group "V2&",
which makes it incompatible. The installation terminates.

How to fix this error?

You cannot install the Preconfigured System in this system.

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.