While authorizing facebook I got this error.
{“cause”:null,“stackTrace”:[{“methodName”:“valueOf”,“fileName”:“Enum.java”,“lineNumber”:236,“className”:“java.lang.Enum”,“nativeMethod”:false},{“methodName”:“valueOf”,“fileName”:“DeviceType.java”,“lineNumber”:13,“className”:“com.backendless.commons.DeviceType”,“nativeMethod”:false},{“methodName”:“authorizeFacebook”,“fileName”:“Social.java”,“lineNumber”:97,“className”:“controllers.Social”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“routes_routing.scala”,“lineNumber”:3978,“className”:“Routes$$anonfun$routes$1$$anonfun$applyOrElse$48$$anonfun$apply$48”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“routes_routing.scala”,“lineNumber”:3978,“className”:“Routes$$anonfun$routes$1$$anonfun$applyOrElse$48$$anonfun$apply$48”,“nativeMethod”:false},{“methodName”:“resultCall”,“fileName”:“Router.scala”,“lineNumber”:264,“className”:“play.core.Router$HandlerInvokerFactory$$anon$4”,“nativeMethod”:false},{“methodName”:“invocation”,“fileName”:“Router.scala”,“lineNumber”:255,“className”:“play.core.Router$HandlerInvokerFactory$JavaActionInvokerFactory$$anon$15$$anon$1”,“nativeMethod”:false},{“methodName”:“call”,“fileName”:“JavaAction.scala”,“lineNumber”:55,“className”:“play.core.j.JavaAction$$anon$1”,“nativeMethod”:false},{“methodName”:“call”,“fileName”:“TimeOutAction.java”,“lineNumber”:61,“className”:“com.backendless.TimeOutAction”,“nativeMethod”:false},{“methodName”:“call”,“fileName”:“CloseEntityManagerAction.java”,“lineNumber”:18,“className”:“com.backendless.CloseEntityManagerAction”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“JavaAction.scala”,“lineNumber”:82,“className”:“play.core.j.JavaAction$$anonfun$11”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“JavaAction.scala”,“lineNumber”:82,“className”:“play.core.j.JavaAction$$anonfun$11”,“nativeMethod”:false},{“methodName”:“liftedTree1$1”,“fileName”:“Future.scala”,“lineNumber”:24,“className”:“scala.concurrent.impl.Future$PromiseCompletingRunnable”,“nativeMethod”:false},{“methodName”:“run”,“fileName”:“Future.scala”,“lineNumber”:24,“className”:“scala.concurrent.impl.Future$PromiseCompletingRunnable”,“nativeMethod”:false},{“methodName”:“run”,“fileName”:“HttpExecutionContext.scala”,“lineNumber”:40,“className”:“play.core.j.HttpExecutionContext$$anon$2”,“nativeMethod”:false},{“methodName”:“execute”,“fileName”:“Execution.scala”,“lineNumber”:46,“className”:“play.api.libs.iteratee.Execution$trampoline$”,“nativeMethod”:false},{“methodName”:“execute”,“fileName”:“HttpExecutionContext.scala”,“lineNumber”:32,“className”:“play.core.j.HttpExecutionContext”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Future.scala”,“lineNumber”:31,“className”:“scala.concurrent.impl.Future$”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Future.scala”,“lineNumber”:492,“className”:“scala.concurrent.Future$”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“JavaAction.scala”,“lineNumber”:82,“className”:“play.core.j.JavaAction$class”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Router.scala”,“lineNumber”:252,“className”:“play.core.Router$HandlerInvokerFactory$JavaActionInvokerFactory$$anon$15$$anon$1”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Action.scala”,“lineNumber”:130,“className”:“play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4$$anonfun$apply$5”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Action.scala”,“lineNumber”:130,“className”:“play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4$$anonfun$apply$5”,“nativeMethod”:false},{“methodName”:“withContextClassLoader”,“fileName”:“Threads.scala”,“lineNumber”:21,“className”:“play.utils.Threads$”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Action.scala”,“lineNumber”:129,“className”:“play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Action.scala”,“lineNumber”:128,“className”:“play.api.mvc.Action$$anonfun$apply$1$$anonfun$apply$4”,“nativeMethod”:false},{“methodName”:“map”,“fileName”:“Option.scala”,“lineNumber”:146,“className”:“scala.Option”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Action.scala”,“lineNumber”:128,“className”:“play.api.mvc.Action$$anonfun$apply$1”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Action.scala”,“lineNumber”:121,“className”:“play.api.mvc.Action$$anonfun$apply$1”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Iteratee.scala”,“lineNumber”:483,“className”:“play.api.libs.iteratee.Iteratee$$anonfun$mapM$1”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Iteratee.scala”,“lineNumber”:483,“className”:“play.api.libs.iteratee.Iteratee$$anonfun$mapM$1”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Iteratee.scala”,“lineNumber”:519,“className”:“play.api.libs.iteratee.Iteratee$$anonfun$flatMapM$1”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Iteratee.scala”,“lineNumber”:519,“className”:“play.api.libs.iteratee.Iteratee$$anonfun$flatMapM$1”,“nativeMethod”:false},{“methodName”:“apply”,“fileName”:“Iteratee.scala”,“lineNum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is null”,“message”:“Name is null”,“suppressed”:[]}
The URL was:
https://api.backendless.com/v1/users/social/facebook/authorize/319D0456-22CB-57B3-FF37-E8B73847AB00?code=AQAC8zFWu2CUbtjB_FKVIKnHWf0GjQ5Cb1zgwMHF9vu6WZtJtDOJk01a3wCZAjJeBv0klDhowyX-klNsxzq7xpjR0yZu54dGRCnCXJp5r7Mko5fL3RaWRgnv_AACjjX5zWKlA5-EqIK83ZZ_tcACH3WT2jWJHY69ctVLVOS1ZzTpVLtezTxwRicnwPZjcWVBwvaQLDFoh_1uVSyXATAOvvyITP_yZBQHOeKOIKTfefgFv1Meo38nuMuRJFQgogQGnEBu_goyDmSaXf0lqhTI08BoG67xoUMFAD_kur412CHesoXuJWpuG0xx1gYS-hzfSB8YLUpVM0_9O66kocuZ31OE&state=-1298196833#=