I need to modify my default invoice number from 100000001
to 2012 - 00001
.
I know where I can found increment_last_id
in table eav_entity_store
. But I don't know what I must set that to be taken new format of invoice number.
Please help with some advice.
If you want to do it manually then take a look @ How to Change the Invoice Increment ID and Prefix in Magento (remember to always make a backup)