Cannot read property 'firstProduct' of undefined
TypeError: Cannot read property 'firstProduct' of undefined
    at productSeo (/home/.next/server/static/development/pages/product.js:7664:37)
    at _callee$ (/home/.next/server/static/development/pages/product.js:6956:93)
    at tryCatch (/home/node_modules/regenerator-runtime/runtime.js:62:40)
    at Generator.invoke [as _invoke] (/home/node_modules/regenerator-runtime/runtime.js:296:22)
    at Generator.prototype.(anonymous function) [as next] (/home/node_modules/regenerator-runtime/runtime.js:114:21)
    at asyncGeneratorStep (/home/.next/server/static/development/pages/product.js:5268:24)
    at _next (/home/.next/server/static/development/pages/product.js:5290:9)
    at process._tickCallback (internal/process/next_tick.js:68:7)