Screen fields & are not open for posting entry

The field &V1& is configured to be suppressed for entry in both posting
status and field status.
To open the &V1& in field status (Note that the system will not look at
field status if the entry is asset transaction):
Go to IMG -> Financial Accounting -> Financial Accounting Global
Settings -> Document -> Line item -> Controls -> Allocate company code
to <DS:TRAN.OBC5>field status variant</>
Get the field status variant
Go to Accounting -> Financial Accounting -> General Ledger -> Master
Records -> Display <DS:TRAN.FS03>GL Account Master Data</>
Get the field status group
Go to IMG -> Financial Accounting -> Financial Accounting Global
Settings -> Document -> Line item -> Controls -> <DS:TRAN.OBC4>Maintain
field status variant</>
Use field status variant and field status group to get to the right
field status.
Change the status of &V2& to optional entry or require entry.
To open the &V1& in posting status:
Go to IMG -> Financial Accounting -> Financial Accounting Global
Settings -> Document -> Line item -> Controls -> <DS:TRAN.OB41>Define
posting keys</>
Double click on the posting keys for the expense/asset line.
Click on the field status button.
Change the status of &V2& to optional entry or require entry.

Error message extract from SAP system. Copyright SAP SE.