mangago not working at times

I didn’t know where else to post this but is anyone else experiencing the same issues? I’ll be reading a chapter and when I click next chap button, my screen just becomes white with the following text “ we're sorry, the request file are not found. Σ(っ°Д °;)っ”. It stays that way for quite some time no matter how many times I refresh the page or go back. Even when I try opening the website in a new tab, the same message shows up. It usually takes between 5-15 mins for the page to come back to normal, so I have to keep refreshing it until it does.
Does this happen to anyone else? I’m reading this on safari app in iPhone if that helps.