How do I get rid of the 400+ compiler errors in the console?

Every time I start a new project, I get a message saying that I have to enter Safe Mode so I can fix them, except instead of 2 compiler errors, I have 400+. I have tried the following things

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  • One by one
  • Chronologically
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    When it comes to packages it’s not the case that you have >400 issues to solve. Because a single missing or too old/new package can easily generate 100 error messages. Start with identifying first one (one on the top, usually) and try fix that.