the theme is not touched at all but cannot be built due to compile errors:

node v16.14.2 npm 8.5.0

$ npm run build

demo1@8.0.38 build react-scripts build

Creating an optimized production build...

WARNING: You are currently running a version of TypeScript which is not officially supported by @typescript-eslint/typescript-estree.

You may find that it works just fine, or you may not.

SUPPORTED TYPESCRIPT VERSIONS: >=3.3.1 <4.5.0

YOUR TYPESCRIPT VERSION: 4.6.3

Please only submit bug reports when using the officially supported version.

============= Failed to compile.

/home/sam/Downloads/react/react/demo1/src/_metronic/helpers/components/KTSVG.tsx TypeScript error in /home/sam/Downloads/react/react/demo1/src/_metronic/helpers/components/KTSVG.tsx(13,8): 'SVG' cannot be used as a JSX component. Its instance type 'InlineSVG' is not a valid JSX element. The types returned by 'render()' are incompatible between these types. Type 'React.ReactNode' is not assignable to type 'import("/home/sam/Downloads/react/react/demo1/node_modules/react-intl/node_modules/@types/react/index").ReactNode'. Type '{}' is not assignable to type 'ReactNode'. TS2786

11 |   return (
12 |     <span className={`svg-icon ${className}`}>

13 | <SVG src={toAbsoluteUrl(path)} className={svgClassName} /> | ^ 14 | 15 | ) 16 | }