diff --git a/packages/backend/src/apps/slack/client/endpoints/post-message-to-channel.ts b/packages/backend/src/apps/slack/client/endpoints/post-message-to-channel.ts
index a714c209..c8f54d7e 100644
--- a/packages/backend/src/apps/slack/client/endpoints/post-message-to-channel.ts
+++ b/packages/backend/src/apps/slack/client/endpoints/post-message-to-channel.ts
@@ -1,4 +1,5 @@
 import SlackClient from '../index';
+import { IJSONObject } from '@automatisch/types';
 
 export default class PostMessageToChannel {
   client: SlackClient;
@@ -8,6 +9,14 @@ export default class PostMessageToChannel {
   }
 
   async run(channelId: string, text: string) {
+    const message: {
+      data: IJSONObject | null;
+      error: IJSONObject | null;
+    } = {
+      data: null,
+      error: null,
+    };
+
     const headers = {
       Authorization: `Bearer ${this.client.connection.formattedData.accessToken}`,
     };
@@ -23,12 +32,13 @@ export default class PostMessageToChannel {
       { headers }
     );
 
-    if (response.data.ok === 'false') {
-      throw new Error(
-        `Error occured while posting a message to channel: ${response.data.error}`
-      );
+    message.error = response?.integrationError;
+    message.data = response?.data?.message;
+
+    if (response.data.ok === false) {
+      message.error = response.data;
     }
 
-    return response.data.message;
+    return message;
   }
 }
diff --git a/packages/backend/src/models/execution-step.ts b/packages/backend/src/models/execution-step.ts
index 88f971dc..2f4c45ee 100644
--- a/packages/backend/src/models/execution-step.ts
+++ b/packages/backend/src/models/execution-step.ts
@@ -24,7 +24,7 @@ class ExecutionStep extends Base {
       executionId: { type: 'string', format: 'uuid' },
       stepId: { type: 'string' },
       dataIn: { type: 'object' },
-      dataOut: { type: 'object' },
+      dataOut: { type: ['object', 'null'] },
       status: { type: 'string', enum: ['success', 'failure'] },
       errorDetails: { type: ['object', 'null'] },
     },
diff --git a/packages/backend/src/services/processor.ts b/packages/backend/src/services/processor.ts
index b54ec6f7..72556a91 100644
--- a/packages/backend/src/services/processor.ts
+++ b/packages/backend/src/services/processor.ts
@@ -77,7 +77,14 @@ class Processor {
 
       let previousExecutionStep: ExecutionStep;
       const priorExecutionSteps: ExecutionSteps = {};
-      let fetchedActionData = {};
+
+      let fetchedActionData: {
+        data: IJSONObject | null;
+        error: IJSONObject | null;
+      } = {
+        data: null,
+        error: null,
+      };
 
       for await (const step of steps) {
         if (!step.appKey) continue;
@@ -101,13 +108,25 @@ class Processor {
           fetchedActionData = await command.run();
         }
 
+        if (!isTrigger && fetchedActionData.error) {
+          await execution.$relatedQuery('executionSteps').insertAndFetch({
+            stepId: id,
+            status: 'failure',
+            dataIn: computedParameters,
+            dataOut: null,
+            errorDetails: fetchedActionData.error,
+          });
+
+          break;
+        }
+
         previousExecutionStep = await execution
           .$relatedQuery('executionSteps')
           .insertAndFetch({
             stepId: id,
             status: 'success',
             dataIn: isTrigger ? rawParameters : computedParameters,
-            dataOut: isTrigger ? data : fetchedActionData,
+            dataOut: isTrigger ? data : fetchedActionData.data,
           });
 
         priorExecutionSteps[id] = previousExecutionStep;