Multiple dex files define Lorg/apache/cordova/BuildHelper

Question

I\'m in trouble since yesterday. In my internship I faced the following build error, but I couldn\'t understand why :

$ cordova build android

[...]

FAILURE         


        

Answer 1

Going to add my 2 cents since none of the solutions work for me. Only thing that worked for me:

cordova plugin rm cordova-plugin-compat --force
cordova platform rm android
cordova platform add android@6.3.0