Bin & is divided. Storage Bin Type can't be changed

What causes this issue?

Bin is sub-divided into bin sections.

System Response

Storage Bin Type can't be changed.

How to fix this error?

Please empty this bin or delete the division before changing the Storage
Bin Type.

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.