& fields are not ready for input due to missing authorization

What causes this issue?

In the Financial Accounting configuration menu, fields were summarized
into field groups. You are not authorized to change fields from all
groups.

System Response

The fields which cannot be changed are not ready for input and the
system informs you of the number of fields (&V1&) which cannot be
changed for this reason.

How to fix this error?

<ZH>Procedure for the system administrator</>
Check whether the required field groups were defined.
<DS:TRAN.OB34>Proceed</>
Check whether the required fields were summarized in the field groups.
<DS:TRAN.OB33>Proceed</>
Check whether the user has the required authorizations.
<DS:TRAN.SU01>Proceed</>

Error message extract from SAP system. Copyright SAP SE.