I have the production of the construction material and i am using the Production module, while seeing the Item Group posting profile, i found their is no Consumption account in the all item group created (for reference following is the image) and still the Sales invoicing is happening. As per my knowledge it should not me happen is we are not able to generate the cost at the time of the Invoicing.
Sales Order consumption has nothing to do with production, it is the account used to post the cost of sales, so if your item has no cost there is no requirement for it.
Thanks for reverting, actually i just want to know how the sale order got invoice without Consumption account. If we have simple trading or production we are selling through the sales order, and for selling we put posting profile for the items and consumption account in the Sales order tab is the ledger account where we put the COGS and if we dont put the account system through the error for defining the account in the consumption account. But here it is not happening like this.
Post Financial Value and Include Physical Value both are checked mark against this group and the method of costing is FIFO, for reference following is the screen Shot.
Go to the AR ledger - Setup and Posting. Look for the ledger account for COGS - is there anything non-item group related setup (categories, all). I would suggest that is where you have configured COGS.