pages build error

Executing user command: next build && next export
03:38:26.456    /opt/buildhome/repo/node_modules/next/dist/build/index.js:440
03:38:26.457                        ...pageKeys.app ?? []
03:38:26.457                                         ^
03:38:26.457    
03:38:26.458    SyntaxError: Unexpected token '?'
03:38:26.458        at wrapSafe (internal/modules/cjs/loader.js:1054:16)
03:38:26.458        at Module._compile (internal/modules/cjs/loader.js:1102:27)
03:38:26.458        at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)
03:38:26.458        at Module.load (internal/modules/cjs/loader.js:986:32)
03:38:26.458        at Function.Module._load (internal/modules/cjs/loader.js:879:14)
03:38:26.458        at Module.require (internal/modules/cjs/loader.js:1026:19)
03:38:26.458        at require (internal/modules/cjs/helpers.js:72:18)
03:38:26.458        at Object.<anonymous> (/opt/buildhome/repo/node_modules/next/dist/cli/next-build.js:15:55)
03:38:26.459        at Module._compile (internal/modules/cjs/loader.js:1138:30)
03:38:26.459        at Object.Module._extensions..js (internal/modules/cjs/loader.js:1158:10)
03:38:26.465    Failed: build command exited with code: 1
03:38:27.532    Failed: error occurred while running build command