# BundleValidationError - Microsoft 365 Email (Outlook)

**URL:** <https://community.make.com/t/bundlevalidationerror-microsoft-365-email-outlook/109638>\
**Category:** Questions\
**Tags:** error\
**Created:** [May 28, 2026, 7:55am UTC](https://community.make.com/t/bundlevalidationerror-microsoft-365-email-outlook/109638 "2026-05-28T07:55:39Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Adi1](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@Adi1](https://community.make.com/u/Adi1)\
**Post date:** [May 28, 2026, 7:55am UTC](https://community.make.com/t/bundlevalidationerror-microsoft-365-email-outlook/109638/1 "2026-05-28T07:55:39Z")

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### 🎯 What is your goal?

I’m trying to fix a [Make.com](http://Make.com) integration between Outlook (Microsoft 365 Email) and Microsoft 365 Calendar that should automatically create a calendar event based on email activity.

### 🤔 What is the problem & what have you tried?

I’m trying to fix an integration that was built for me in [Make.com](http://Make.com) between Outlook (Microsoft 365 Email) and Microsoft 365 Calendar.

Scenario flow:

Microsoft 365 Email (Outlook): Delete an Email  
Microsoft 365 Calendar: Create an Event

When I run the scenario, I get the following error:

“The operation failed with an error. Validation failed for 2 parameter(s).”

The scenario initializes successfully, but fails during execution.

I’ve already tried many times to fix the integration myself:

I verified and updated the email address configuration across all modules  
I checked the Outlook and Calendar connections  
I reviewed the field mappings multiple times  
I retried the scenario several times after making adjustments

Unfortunately, I still can’t identify which parameters are failing validation or what exactly is causing the issue.

I’d appreciate help understanding:

Which two parameters are failing validation  
Whether required fields are missing or incorrectly mapped  
How to properly debug this type of validation error in [Make.com](http://Make.com)

### 📋 Error messages or input/output bundles

The operation failed with an error.  
Validation failed for 2 parameter(s).

### 🔗 Create public scenario page

[https://eu2.make.com/public/shared-scenario/xHgwoTbyFKa/integration-microsoft-365-email-outlook](https://eu2.make.com/public/shared-scenario/xHgwoTbyFKa/integration-microsoft-365-email-outlook)

Thank you in advanced!

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<div class="post-metadata">

**Author:** ![johnai.tech](https://dub1.discourse-cdn.com/flex013/user_avatar/community.make.com/johnai.tech/32/91572_2.png) [@johnai.tech](https://community.make.com/u/johnai.tech)\
**Post date:** [May 28, 2026, 8:59am UTC](https://community.make.com/t/bundlevalidationerror-microsoft-365-email-outlook/109638/3 "2026-05-28T08:59:38Z")

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Hey Adi!  
Which module does the error occured? Can you share the exact error details or screenshot?

-John

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<div class="post-metadata">

**Author:** ![Make\_Bot](https://dub1.discourse-cdn.com/flex013/user_avatar/community.make.com/make_bot/32/14661_2.png) [@Make\_Bot](https://community.make.com/u/Make_Bot)\
**Post date:** [August 26, 2026, 9:03am UTC](https://community.make.com/t/bundlevalidationerror-microsoft-365-email-outlook/109638/4 "2026-08-26T09:03:11Z")

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