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Hello Everybody,
I want to give my invoices a number like : (actual month -1)/invoice Serial number, for example, this is month 9, I want that the system gives my invoices a number like 08/39000, I can now only give my invoices a number like : 09/39000
I tried in the prefix to do : %((month)s-1) but the minus 1 does'nt work.
Thanks in advance for your precious help.
Hello,
I've tried it, it gives me this error :
Constraint Error
Invoice Number must be unique per Company.
Thanks.
Maybe you have already invoice with same number in previous month. Try it on empty database.
I think It ust took month-1 like 09-1, it did'nt take it like an arithmetic operation, that's why, because I had the same result using %((month)s-1)
I think It ust took month-1 like 09-1, it did'nt take it like an arithmetic operation, that's why, because I had the same result using %((month)s-1)
I do not know if it works but if it would work it would be:
%((month-1)s)
Hello, I've tried it, it gives me this error : Constraint Error Invoice Number must be unique per Company. Thanks.
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