No Option to Route a Voucher to an Approver

A fiscal coder may finish coding a voucher, but find that there is no drop down menu to route the voucher.

Figure 1 - Route to to Approver Drop Down
the fiscal coding screen without a route to approver drop down menu 
Click the Status tab, select the voucher again, and the drop down menu should be displayed. ​
Figure 2 - Status Tab
the fiscal coding screen with a route to approver drop down menu highlighted