wirless

Hi there, has anyone had this issue before ? when I navigate to the Wireless page in Asuswrt merlin 384.7_2 I get the page not functioning, I am not able to change the config at all, I disabled my 5G due to overheating before, now I cannot change anything else. I am getting the following...

How to revert from Mediabrige to Wireless router mode. I can't connect to webinteface to Mediabridged router (rt_ac56u), rt-ac68u is wireless router mode) Octopus