Problem in Jobs

 
Hello I am new to mql5.com .I have ordered an EA from jobs section and while going through the step by step process of the work i have face difficulties  in the 'Negotiation of requirements' step. Both of us, me and the developer confirms the step but I can not access the next step Prototype/Model . The column Negotiation of requirements is still in green color  and i am not able to go the next section . Anyone there experienced Please help me...
 

See answer in your job.