COGS is show nothing since 4 days dynamics ax 2012

hi everyone I am a new user of Microsoft dynamic ax 2012

I have an issue , the cost of good sold report since 3 days is blank (showed nothing)

how can i solve it

please help

Which report is that?

What have you sold?

Do the sold lines have a transaction cost?

What is your costing method?

Have you run the inventory close?

Which report is that?

What have you sold?

yes its what i have sold

(account receivable-reports-payments-cost of good sold)

Do the sold lines have a transaction cost

yes

What is your costing method?

purchase price

Have you run the inventory close?

yes I have