Hi, I'm sorry for the very late reply, I just got to the Steem block again after some time. I fixed this by going to Wallet on Steemit, there you click on Keys & Permissions, you'll go to Active or Owner Key, click "Reveal" now you have to enter your nick and the key you want to reveal (active for active key for example). Done, now you can click on TRON account on the left from keys and Create. Worked for me, I'll just leave it there in case someone has the same problem.