Transport lane not created. Check long text for details.

What causes this issue?

The transportation lane could not be created in <LS>Sources of Supply</>
(/SAPAPO/TRPROD) table.
One or more of the <LS>Locations </>required for the creation of the
transportation lane is not present in the <LS>Mapping Table for
Locations </>(/SAPAPO/LOCMAP) table.

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?

Maintain the locations as required and then, create the material/product
with the relevant location.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.