Chain has no starter. Add a starter.

What causes this issue?

The process chain has no start-process. A process chain always requires
exactly one general starter.

System Response

The system is unable to activate the process chain.

How to fix this error?

Add a general starter to the chain, and schedule it as the first
process in the chain.

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.