Incorrect message to msg_no_fiscalyear_date
msg_no_fiscalyear_date show the message [1]:
To continue, you must create a fiscal year for the date "%(date)s".
This message is displayed when find a Period [2].
In case you have a period that is closed, you need to reopen. Not create.
= Proposal =
Replace the message to:
To continue, you must open or create a fiscal year for the date "%(date)s".
[1] https://hg.tryton.org/modules/account/file/default/message.xml#l57
[2] https://hg.tryton.org/modules/account/file/default/fiscalyear.py