Removed thrown error in one case
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index 934557f..c79daf4 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -301,7 +301,7 @@
       if (errorHandler) {
         errorHandler();
       } else {
-        [NSException raise:@"Operation Exception" format:@"The batch failed with an unknown error"];
+        return;
       }
     }
     for (void(^processor)(void) in opProcessors) {