One-step stock transfers for whse numbers & and & not possible

What causes this issue?

For one-step <Gl:stock_transfer>stock transfers</> in which an
externally managed <GL:warehouse_number>warehouse number</> is
involved, the follow-on posting (the second posting which moves the
stock to the new location) may not move stock into a
<GL:storage_location>storage location</> which is managed in another
warehouse number.

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?

Use a <GL:movement_type>movement type</> for 2-step stock transfers.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.