Fixed possible null price_model sequence id after upgrade.sql
Fixed possible null price_model sequence id after upgrade.sql

liquidJbilling/LT-Jbilling-MsgQ-3.1,liquidJbilling/LT-Jbilling-MsgQ-3.1,liquidJbilling/LT-Jbilling-MsgQ-3.1,liquidJbilling/LT-Jbilling-MsgQ-3.1