! @7dfob4jci - Internal server error, for (GET) [/api/techCards/export/5bf7ea757fd5b238aa984095?ignoreErrors=true] ->

play.api.UnexpectedException: Unexpected exception[JsResultException: JsResultException(errors:List((/durationMinutes,List(JsonValidationError(List(error.expected.int),WrappedArray())))))]
        at play.api.http.HttpErrorHandlerExceptions$.throwableToUsefulException(HttpErrorHandler.scala:347)
        at play.api.http.DefaultHttpErrorHandler.onServerError(HttpErrorHandler.scala:267)
        at play.core.server.AkkaHttpServer$$anonfun$1.applyOrElse(AkkaHttpServer.scala:448)
        at play.core.server.AkkaHttpServer$$anonfun$1.applyOrElse(AkkaHttpServer.scala:446)
        at scala.concurrent.Future.$anonfun$recoverWith$1(Future.scala:413)
        at scala.concurrent.impl.Promise.$anonfun$transformWith$1(Promise.scala:37)
        at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
        at akka.dispatch.BatchingExecutor$AbstractBatch.processBatch(BatchingExecutor.scala:55)
        at akka.dispatch.BatchingExecutor$BlockableBatch.$anonfun$run$1(BatchingExecutor.scala:92)
        at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
Caused by: play.api.libs.json.JsResultException: JsResultException(errors:List((/durationMinutes,List(JsonValidationError(List(error.expected.int),WrappedArray())))))
        at reactivemongo.play.json.JSONSerializationPack$.deserialize(JSONSerializationPack.scala:61)
        at reactivemongo.play.json.JSONSerializationPack$.deserialize(JSONSerializationPack.scala:33)
        at reactivemongo.core.protocol.ReplyDocumentIterator$.$anonfun$parse$1(protocol.scala:141)
        at scala.collection.Iterator$$anon$10.next(Iterator.scala:455)
        at scala.collection.Iterator$ConcatIterator.next(Iterator.scala:226)
        at reactivemongo.api.DefaultCursor$Impl.$anonfun$headOption$2(DefaultCursor.scala:331)
        at scala.concurrent.Future$.$anonfun$apply$1(Future.scala:654)
        at scala.util.Success.$anonfun$map$1(Try.scala:251)
        at scala.util.Success.map(Try.scala:209)
        at scala.concurrent.Future.$anonfun$map$1(Future.scala:288)