Not able to build project

[KinjalDhamat312]

Hello,

I am using myMobKit android project. But I facing issue to build project. I getting error like,

Error:Could not GET 'https://raw.github.com/whispersystems/maven/master/smil/releases/haibison/android/lockpattern/'. Received status code 400 from server: Bad Request
<a href="toggle.offline.mode">Enable Gradle 'offline mode' and sync project</a>

I stuck here. Could you help me to solve this error?