SyntaxError: Unexpected token '.'

WSL ubuntu 22.04
I have already installed node.js,whose version is 12.22.12 and installed packages according to the guideline.
When I run **obj2gltf** command line,
it shows:
/usr/local/lib/node_modules/obj2gltf/node_modules/cesium/Build/CesiumUnminified/index.cjs:28559
} else if (defined_default(import_meta?.url)) {
^

SyntaxError: Unexpected token '.'
at wrapSafe (internal/modules/cjs/loader.js:915:16)
at Module._compile (internal/modules/cjs/loader.js:963:27)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
at Module.load (internal/modules/cjs/loader.js:863:32)
at Function.Module._load (internal/modules/cjs/loader.js:708:14)
at Module.require (internal/modules/cjs/loader.js:887:19)
at require (internal/modules/cjs/helpers.js:74:18)
at Object. (/usr/local/lib/node_modules/obj2gltf/node_modules/cesium/index.cjs:13:18)
at Module._compile (internal/modules/cjs/loader.js:999:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)

How can I solve it?
Thanks for your help!