Getting syntax error - Please help

PS D:\hashlips_art_engine-main> node index.js D:\hashlips_art_engine-main\src\main.js:94 layerObj.options?.["displayName"] != undefined ^

SyntaxError: Unexpected token . at Module._compile (internal/modules/cjs/loader.js:723:23) at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10) at Module.load (internal/modules/cjs/loader.js:653:32) at tryModuleLoad (internal/modules/cjs/loader.js:593:12) at Function.Module._load (internal/modules/cjs/loader.js:585:3) at Module.require (internal/modules/cjs/loader.js:692:17) at require (internal/modules/cjs/helpers.js:25:18) at Object. (D:\hashlips_art_engine-main\index.js:2:39) at Module._compile (internal/modules/cjs/loader.js:778:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10) PS D:\hashlips_art_engine-main>