G/L account & does not exist in company code &

What causes this issue?

The G/L account has not been created in the company code in which you
are working.

How to fix this error?

Check the account number as well as the company code.
G/L acct.,,CoCode
wrong,,right,,Correct the G/L account.
right,,wrong,,via the menu <LS>Edit</>
,, ,,choose the function <LS>New company code</>, enter the
,, ,,correct company code and continue processing.
right,,right,,The G/L account must be created for
,, ,,the company code.

Error message extract from SAP system. Copyright SAP SE.