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?

INCLUDE MB_NA_SACHKONTO
If you have entered the G/L account or the company code yourself, check
the account number entered, as well as the company code in which you
are working.
G/L acct. CoCode
wrong right Correct the G/L account.
right wrong Correct the company code.
right right The G/L account must be created
for the 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.