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ParserError: Error tokenizing data. C error: Expected 1 fields in line 87, saw 2

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./src/App.js Module not found: Can't resolve '@fullcalendar/core/main.css' in 'c:\react-souf\src'

SyntaxError: Unexpected token '/' in C:\Users\SHUBHAM KUNWAR\Desktop\login\views\register.ejs while compiling ejs