any idea what this error is? using nextjs:

./node_modules/.pnpm/next@13.4.12_@babel+core@7.19.1_react-dom@18.2.0_react@18.2.0_sass@1.58.0/node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[1].oneOf[11].use[1]!./node_modules/.pnpm/next@13.4.12_@babel+core@7.19.1_react-dom@18.2.0_react@18.2.0_sass@1.58.0/node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[1].oneOf[11].use[2]!./node_modules/.pnpm/react-loading-skeleton@3.3.1_react@18.2.0/node_modules/react-loading-skeleton/dist/skeleton.css
SyntaxError: 'import' and 'export' may appear only with 'sourceType: module' (1:0)