diff --git a/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlWebSocketHandler.java b/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlWebSocketHandler.java
index 74cc28cb..8fe56974 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlWebSocketHandler.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/web/webflux/GraphQlWebSocketHandler.java
@@ -197,9 +197,8 @@ public class GraphQlWebSocketHandler implements WebSocketHandler {
 					});
 		}
 		else {
-			// Single response (query or mutation)
-			outputFlux = (CollectionUtils.isEmpty(output.getErrors()) ? Flux.just(output) :
-					Flux.error(new IllegalStateException("Execution failed: " + output.getErrors())));
+			// Single response (query or mutation) that may contain errors
+			outputFlux = Flux.just(output);
 		}
 
 		return outputFlux
@@ -236,4 +235,6 @@ public class GraphQlWebSocketHandler implements WebSocketHandler {
 	private static class SubscriptionExistsException extends RuntimeException {
 	}
 
+
+
 }
diff --git a/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlWebSocketHandler.java b/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlWebSocketHandler.java
index 50fb2079..ba71c095 100644
--- a/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlWebSocketHandler.java
+++ b/spring-graphql/src/main/java/org/springframework/graphql/web/webmvc/GraphQlWebSocketHandler.java
@@ -238,9 +238,8 @@ public class GraphQlWebSocketHandler extends TextWebSocketHandler implements Sub
 					});
 		}
 		else {
-			// Single response (query or mutation)
-			outputFlux = (CollectionUtils.isEmpty(output.getErrors()) ? Flux.just(output)
-					: Flux.error(new IllegalStateException("Execution failed: " + output.getErrors())));
+			// Single response (query or mutation) that may contain errors
+			outputFlux = Flux.just(output);
 		}
 
 		return outputFlux