Business Partner &1 with company code &2 is not blocked; see long text

Short Text
Business Partner <(>&<)>1 with company code <(>&<)>2 is not blocked; see
long text
Diagnosis
You want to block or unblock data related to Business Partner with
company code . The system cannot block or unblock this data for one of
the following reasons:
+,,An application is using the data related to Business Partner.
+,,You must block company code before you block the general data
related to Business Partner.
+,,The data is already blocked.
+,,You must unblock Business Partner before you unblock company code .

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.