My Chrome browser alert this error:

and my apex page code:
how can I fix this error?

I made apex classes and triggers on VS Code.
and I execute [SFDX:Deploy Source to Org]
when I open exist apex class or triggers on developer console,
I can't find any apex classes or triggers I made.
but they work normally in [Execute Anonymous Window] like "Class.Method();"
please give me a solutions