Owner (&1) or party entitled to dispose (&2) is incorrect

What causes this issue?

For stocks without special stock usage, owner and party entitled must be
identical.
For stocks with special stock usage (for example, vendor consignment),
one partner must be specified as owner.

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?

Check the following fields:
<LS>Party entitled</>
<LS>Owner</>
<LS>Stock usage</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.