ThingWorx project upgrade error
I am getting error
[twx-studio:upgrade:Test] Error building project TypeError: preservetime is not a function
at Object.copySrc (C:\Users\Deepesh\Documents\ThingWorxStudio\Projects\Test\gulp-shared.js:105:11)
at Object.onbuild (C:\Users\Deepesh\AppData\Roaming\ThingworxStudio\studio-download.vuforia.io\node_modules\ves-ar-extension\server\tasks\build.js:26:32)
at C:\Users\Deepesh\AppData\Roaming\ThingworxStudio\studio-download.vuforia.io\dist\server\utils\projectHelper.js:371:48
at
When i upgraded my Thingworx project from version 1.5.0 to 8.2.2.
Can anyone help me with the possible cause for the error. And how to fix it?

