Big Sur not allowing to boot up.

Big Sur is having trouble loading. Once I enter my credentials, the screen just shifts to a colored Big Sur background and nothing else. I’ve left it on this screen and nothing progresses.

Every once in a while I get a pop up of “your computer shut down because of problem.” It’ll ask me if I want reload the pages before shut down and I click “open”. Then, nothing happens except the pinwheel for a while. I eventually restart my computer after that. Same process over again.

I am running a MacBook Air 2015.
Big Sur not allowing to boot up.
 
 
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