You have entered an invalid period for company code &

What causes this issue?

This error can occur
if no fiscal year variant is assigned to the company code or
if the period entered is not valid for the fiscal year variant assigned
to the company code

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the assignment of the fiscal year variant to the company code.
<DS:TRAN.OBY6>Proceed</>
Check the setting of the fiscal year variant.
<DS:TRAN.OB29>Proceed</>

Error message extract from SAP system. Copyright SAP SE.