Fatal Exception: java.lang.UnsatisfiedLinkError: Native method not found:

[karan1213]

Fatal Exception: java.lang.UnsatisfiedLinkError: Native method not found: com.mesibo.api.JNIAPI.set_call_interface:(IJ)V
       at com.mesibo.api.JNIAPI.set_call_interface(SourceFile)
       at com.mesibo.api.Mesibo.setCallInterface + 2632(SourceFile:2632)
       at com.mesibo.calls.MesiboCall.init()
       at com.packagename.Application.mesiboInit + 203(Application.java:203)
       at com.packagename.Application.onCreate + 101(Application.java:101)
       at android.app.Instrumentation.callApplicationOnCreate + 1014(Instrumentation.java:1014)
       at android.app.ActivityThread.handleBindApplication + 4290(ActivityThread.java:4290)
       at android.app.ActivityThread.access$1400 + 143(ActivityThread.java:143)
       at android.app.ActivityThread$H.handleMessage + 1301(ActivityThread.java:1301)
       at android.os.Handler.dispatchMessage + 99(Handler.java:99)
       at android.os.Looper.loop + 137(Looper.java:137)
       at android.app.ActivityThread.main + 4960(ActivityThread.java:4960)
       at java.lang.reflect.Method.invokeNative(Method.java)
       at java.lang.reflect.Method.invoke + 511(Method.java:511)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run + 1038(ZygoteInit.java:1038)
       at com.android.internal.os.ZygoteInit.main + 805(ZygoteInit.java:805)
       at dalvik.system.NativeStart.main(NativeStart.java)

Got this from Firebase crashlytics.
I just enabled proguard with this latest release, do you think proguard would cause this?

[PurpleHorse07]

Having the same issue. Works fine when there's no Proguard. Tried almost all sorts of methods available over the Internet but no luck.