Unexpected token T in JSON at position 0 in Angular CLI 6 - Fixed

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Error - Unexpected token T in JSON at position 0 

Root Cause - When upgrading to Angular CLI 6 and then you run build or install command then you can face this error.

Solution - Make sure correct version of Angular CLI is installed. For me Angular CLI 6 did not work so finally I upgraded directly to Angular 7 instead of Angular 6 first as per angular upgrade guide.

Thanks

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