[CRASH] ClassCastException in TGErrorUtil

[panzerdev]

FATAL EXCEPTION: main
Process: com.dawanda.shopping.app.internal, PID: 26744
java.lang.ClassCastException: java.util.ArrayList cannot be cast to com.tapglue.networking.requests.TGRequestCallback
at com.tapglue.utils.TGErrorUtil.sendErrorToCallbacks(TGErrorUtil.java:46)
at com.tapglue.networking.TGNetworkManager.performRequest(TGNetworkManager.java:390)
at com.tapglue.networking.TGNetworkManager.performRequest(TGNetworkManager.java:360)
at com.tapglue.networking.TGRequestFactory.logout(TGRequestFactory.java:333)
at com.tapglue.managers.TGUserManager.logout(TGUserManager.java:201)

When calling Tapglue.user().logout(new TGRequestCallback<Boolean>{}); while offline.