Error: Missing env var from OpenAI

Error: Missing env var from OpenAI at <unknown> (webpack-internal:///(middleware)/./pages/api/translate.ts:23) at eval (webpack-internal:///(middleware)/./pages/api/translate.ts:23:11) at Module.(middleware)/./pages/api/translate.ts (file://D:\AISubtitle-main\.next\server\pages\api\translate.js:430:1) at __webpack_require__ (file://D:\AISubtitle-main\.next\server\edge-runtime-webpack.js:37:33) at fn (file://D:\AISubtitle-main\.next\server\edge-runtime-webpack.js:287:21) at eval (webpack-internal:///(middleware)/./node_modules/next/dist/build/webpack/loaders/next-edge-function-loader.js?absolutePagePath=D%3A%5CAISubtitle-main%5Cpages%5Capi%5Ctranslate.ts&page=%2Fapi%2Ftranslate&rootDir=D%3A%5CAISubtitle-main!:11:19) at Module.(middleware)/./node_modules/next/dist/build/webpack/loaders/next-edge-function-loader.js?absolutePagePath=D%3A%5CAISubtitle-main%5Cpages%5Capi%5Ctranslate.ts&page=%2Fapi%2Ftranslate&rootDir=D%3A%5CAISubtitle-main! (file://D:\AISubtitle-main\.next\server\pages\api\translate.js:1244:1) at __webpack_require__ (file://D:\AISubtitle-main\.next\server\edge-runtime-webpack.js:37:33) at __webpack_exec__ (file://D:\AISubtitle-main\.next\server\pages\api\translate.js:1831:48) at <unknown> (file://D:\AISubtitle-main\.next\server\pages\api\translate.js:1832:37) at webpackJsonpCallback (file://D:\AISubtitle-main\.next\server\edge-runtime-webpack.js:1147:39) 看不懂，咋搞