configs not opening for plugin

how can i fix config not opening in aternos server plugin

i was watching tutorial video for making server and add plugins and in video guy said to go in files-plugins and i go to my plugin and guy said in configs and i go to configs and white screen appeared but to guy in video is not and i refreshed so many time and white screen has not changed.

All .yml files doesnt work for me in aternos files but idk why.

i tried it on 2 browser and its not working again

i pressed f12 and i check errors and i see ERR_BLOCKED_BY_CLIENT

i just tried to open new incognito window and try in that, i opened aternos and opet plguin i want and i tried to open configs and configs OPENED