OTR not getting created in TM

Hi,

I have created a sales order and save in ERP . As i understood, OTR should be created automatically in TM but i dont see any OTR created for Sales Order in R/3

As a prerequisite, i have check

Output type TRS0 in the sales order

Conditions are also existing for Sales document type to OTR type. Could you please help me in finding what other checks needs to be carried on to create OTR automatically

thanks

santosh