Counselling is starting from tomorrow you can check the official website of ts pgecet or check careers 360 about ts pgecet counselling 

This error may be caused by some technical and server issues in the network, and the counselling dates for TS PGECET are not announced yet, We are expecting to start the certificate verification on 3rd week of August. Once they finalise the dates then they will provide link for counselling fee payment on official website. For more updates go through official website.