Minify error while Deploying through MUP

Errors prevented bundling:
While minifying app code:

/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:196:18:
Unexpected token: punc ())
at new JS_Parse_Error
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:196:18)
at js_error
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:204:11)
at croak
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:675:9)
at token_error
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:683:9)
at unexpected
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:689:9)
at expr_atom
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1184:13)
at maybe_unary
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1358:19)
at expr_ops
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1393:24)
at maybe_conditional
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1398:20)
at maybe_assign
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1422:20)

While minifying app code:

/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:196:18:
Unexpected token: punc ())
at new JS_Parse_Error
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:196:18)
at js_error
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:204:11)
at croak
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:675:9)
at token_error
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:683:9)
at unexpected
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:689:9)
at expr_atom
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1184:13)
at maybe_unary
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1358:19)
at expr_ops
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1393:24)
at maybe_conditional
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1398:20)
at maybe_assign
(/root/.meteor/packages/standard-minifiers/.1.0.2.ke3wuq++os+web.browser+web.cordova/plugin.minifyStd.os/npm/minifiers/node_modules/uglify-js/lib/parse.js:1422:20)

=> Build Error. Check the logs printed above.

Can someone please suggest me how to debug the file/code which is causing the error ?

Do you have any punc() in your code? Not at a computer now to check if it’s part of something else, but obviously it finds problems there

I don’t know. Can you tell me the ways to debug where this error is ?

start by searching for the presence of ‘punc()’ in your code

I have already checked, there is no pun() in my code. There is something I am missing here. I remember last time I face this issue there was something related to left hand assignment but I couldn’t find it now.