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4
Votes

While Running angular App in prod mode throws script error

Normal command: ng serve --prod


Expected Output: Should be compiled without any error


Actual Output: Could not be compiled, throws below error



core.js.pre-build-optimizer.js:15724 ERROR TypeError: Cannot read property 'viewContainerRef' of undefined
    at template.js.pre-build-optimizer.js:17
    at template-engine.js.pre-build-optimizer.js:19
    at t.l10nUpdate (drop-down-base.js.pre-build-optimizer.js:203)
    at t.postRender (drop-down-base.js.pre-build-optimizer.js:479)
    at t.onActionComplete (drop-down-base.js.pre-build-optimizer.js:470)
    at t.onActionComplete (drop-down-list.js.pre-build-optimizer.js:1254)
    at t.onActionComplete (combo-box.js.pre-build-optimizer.js:211)
    at t.setListData (drop-down-base.js.pre-build-optimizer.js:397)
    at t.initialize (drop-down-base.js.pre-build-optimizer.js:273)
    at t.render (drop-down-base.js.pre-build-optimizer.js:773)



Workaround: 


we would like to suggest the below workaround solution to resolve this issue by modifying the angular.json file.

 

"optimization": false,

"buildOptimizer": false