Number range different

What causes this issue?

The system tries to assign a goods receipt/issue slip number. However,
you entered items with different plants, storage locations or
movement types, and the number ranges valid for these items differ
from each other.

System Response

The system does not allow this situation. All items of a material
document must be assigned to the same number range.

How to fix this error?

Cancel the item and re-enter it in a separate document.

Error message extract from SAP system. Copyright SAP SE.