TypeError: Cannot read property '0' of null

[qiushaocloud]

PS E:\open-source-codes\owt-client-javascript-4.2\scripts> npm install

[email protected] postinstall E:\open-source-codes\owt-client-javascript-4.2 cd scripts && grunt prepare

Running "browserify:sinon" (browserify) task

Bundle test/unit/resources/scripts/gen/sinon-browserified.js created.

Running "browserify:chai_as_promised" (browserify) task

Bundle test/unit/resources/scripts/gen/chai-as-promised-browserified.js created.

Done. npm WARN [email protected] requires a peer of chai@>= 2.1.2 < 5 but none is installed. You must install peer dependencies yourself. npm WARN [email protected] No repository field. npm WARN [email protected] No license field.

audited 994 packages in 7.221s found 217 vulnerabilities (1 low, 51 moderate, 117 high, 48 critical) run npm audit fix to fix them, or npm audit for details PS E:\open-source-codes\owt-client-javascript-4.2\scripts> grunt
Running "browserify:dist" (browserify) task Browserslist: caniuse-lite is outdated. Please run next command npm update caniuse-lite browserslist

TypeError: Cannot read property '0' of null at isNativeModule (E:\open-source-codes\owt-client-javascript-4.2\node_modules\requizzle\lib\requizzle.js:45:17) at Requizzle.requizzle (E:\open-source-codes\owt-client-javascript-4.2\node_modules\requizzle\lib\requizzle.js:82:6) at infectProxy (E:\open-source-codes\owt-client-javascript-4.2\node_modules\requizzle\lib\loader.js:82:28) at Module.targetModule.require (E:\open-source-codes\owt-client-javascript-4.2\node_modules\requizzle\lib\loader.js:101:11) at require (internal/modules/cjs/helpers.js:88:18) at Object. (E:\open-source-codes\owt-client-javascript-4.2\node_modules\jsdoc\lib\jsdoc\fs.js:7:10) at Module._compile (internal/modules/cjs/loader.js:1068:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:1097:10) at Module.load (internal/modules/cjs/loader.js:933:32) at Object.load (E:\open-source-codes\owt-client-javascript-4.2\node_modules\requizzle\lib\loader.js:112:15) Warning: jsdoc terminated with a non-zero exit code Use --force to continue.

Aborted due to warnings.