You cannot remove the company code & - global company & assignment

What causes this issue?

You are trying to remove the assignment of global company &V2& to
company code &V1&. You cannot do so because the global company
currency was used in the definition of ledger &V3& and ledger &V3& has
an assignment to company code &V1&.

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?

Error message extract from SAP system. Copyright SAP SE.