Procurement is prod.-independent, means of transport is prod.-specific

What causes this issue?

A product-specific means of transport cannot be specified for a
product-independent instance of a transportation lane that is valid for
all products.
<ZH>Note</>
You create a product-independent instance of a transportation lane
where you select the <ZK>All products</> indicator.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Create a product-specific instance of a transportation lane and assign
a means of transport to it.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.