Reference maintenance plan is not a copy template

What causes this issue?

You are trying to copy a reference maintenance plan which is not a copy
template.

System Response

The system will cancel processing.

How to fix this error?

If you wish to add the copy function to the reference maintenance plan,
you can do this in transaction <ZK>IP02</> under the top menu
<LS>Maintenance plan </>--> <LS>Functions </>--> <LS>Copy Template
</>--> <LS>Allow</>. If you want to switch off template-based copying,
you can do this in Customizing <ZK>SAP Customizing Implementation Guide
</> --> <ZK>Plant Maintenance and Customer Service</> -->
<ZK>Maintenance Plans, Work Centers, Task Lists and PTRs</> -->
<ZK>Maintenance Plans</> --> <ZK>Configure Special Functions for
Maintenance Planning</> by selecting the <LS>Enable Non-template-based
Copying </>option.

Error message extract from SAP system. Copyright SAP SE.