diff --git a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/RuleRunnerGrain.cs b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/RuleRunnerGrain.cs
index 5c4d1e79f..105f02b87 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/RuleRunnerGrain.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Rules/Runner/RuleRunnerGrain.cs
@@ -17,6 +17,7 @@ using Squidex.Infrastructure;
 using Squidex.Infrastructure.EventSourcing;
 using Squidex.Infrastructure.Log;
 using Squidex.Infrastructure.Orleans;
+using Squidex.Infrastructure.Reflection;
 using Squidex.Infrastructure.States;
 using Squidex.Infrastructure.Tasks;
 
@@ -155,13 +156,16 @@ namespace Squidex.Domain.Apps.Entities.Rules.Runner
                 {
                     try
                     {
-                        var @event = eventDataFormatter.Parse(storedEvent.Data);
+                        var @event = ParseKnownEvent(storedEvent);
 
-                        var jobs = await ruleService.CreateJobsAsync(rule.RuleDef, rule.Id, @event, false);
-
-                        foreach (var (job, _) in jobs)
+                        if (@event != null)
                         {
-                            await ruleEventRepository.EnqueueAsync(job, job.Created, ct);
+                            var jobs = await ruleService.CreateJobsAsync(rule.RuleDef, rule.Id, @event, false);
+
+                            foreach (var (job, _) in jobs)
+                            {
+                                await ruleEventRepository.EnqueueAsync(job, job.Created, ct);
+                            }
                         }
                     }
                     catch (Exception ex)
@@ -211,6 +215,23 @@ namespace Squidex.Domain.Apps.Entities.Rules.Runner
             }
         }
 
+        private Envelope<IEvent>? ParseKnownEvent(StoredEvent storedEvent)
+        {
+            try
+            {
+                var @event = eventDataFormatter.Parse(storedEvent.Data);
+
+                @event.SetEventPosition(storedEvent.EventPosition);
+                @event.SetEventStreamNumber(storedEvent.EventStreamNumber);
+
+                return @event;
+            }
+            catch (TypeNameNotFoundException)
+            {
+                return null;
+            }
+        }
+
         public Task ReceiveReminder(string reminderName, TickStatus status)
         {
             EnsureIsRunning();
diff --git a/backend/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrain.cs b/backend/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrain.cs
index 0587e9976..eb5b7d2d6 100644
--- a/backend/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrain.cs
+++ b/backend/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrain.cs
@@ -280,20 +280,20 @@ namespace Squidex.Infrastructure.EventSourcing.Grains
             }
         }
 
-        private Envelope<IEvent>? ParseKnownEvent(StoredEvent message)
+        private Envelope<IEvent>? ParseKnownEvent(StoredEvent storedEvent)
         {
             try
             {
-                var @event = eventDataFormatter.Parse(message.Data);
+                var @event = eventDataFormatter.Parse(storedEvent.Data);
 
-                @event.SetEventPosition(message.EventPosition);
-                @event.SetEventStreamNumber(message.EventStreamNumber);
+                @event.SetEventPosition(storedEvent.EventPosition);
+                @event.SetEventStreamNumber(storedEvent.EventStreamNumber);
 
                 return @event;
             }
             catch (TypeNameNotFoundException)
             {
-                log.LogDebug(w => w.WriteProperty("oldEventFound", message.Data.Type));
+                log.LogDebug(w => w.WriteProperty("oldEventFound", storedEvent.Data.Type));
 
                 return null;
             }