How to Fix iPhone Calendar error: “Your response to the invitation cannot be sent”

Calendars on iPhone iOS devices are effective tools that let you keep track of all the occasions in your day, week, or month. If you have a big party coming up, you can link them with other users so that they can accept your invitation.

Your events and calendar will be organized quickly, easily, and efficiently, although there will occasionally be problems. The error message “Calendar Invitation: Your response to the invitation cannot be delivered” can be shown to you. If this error concerns you, you have come to the correct place. This article will explain the problem in detail and offer all effective solutions to help you get rid of the error.

WHAT BENEFITS DO USERS GET FROM USING AN ONLINE CALENDAR APP?

• Your important events, appointments, anniversaries, and meetings are always marked and backed up with online calendars and calendar apps that can connect to and sync with an online service. You can also easily share calendars with other people and use the calendar to send or receive invitations to upcoming events.

HOW TO FIX IPHONE CALENDAR ERROR: “YOUR RESPONSE TO THE INVITATION CAN NOT BE SENT”

• On your iOS device, you can try a variety of fixes to resolve the RSVP problem with the Calendar app. One at a time, try each option, and if it works, send your invitation response again.

Solution #1: Restart the calendar application

• Open your iPhone’s Settings menu.
• Tap your name.
• Select iCloud.
• Locate the Calendar and turn it off.
• Wait a short while.
• Restart it at this point.

Another option is to access your iPhone’s Settings section.

• Click for Passwords & Accounts.
• Tap the account that is connected to your calendar.
• Turn off any calendars you find.
• Switch off your iPhone.
• Turn on your Calendar this time by following the procedures above.

Solution #2: Switch the iOS settings on and off

• Simply follow these instructions to try and implement the next option.

• On your iPhone, tap the Settings button.
• Tap your Apple ID (your name).
• Next, choose iCloud.
• And turn off the Contacts, Calendars, and Reminders before waiting a little while.
• In the pop-up, select Delete from My iPhone.
• Reboot your iPhone.
• Return to Settings once more and choose Apple ID (your name)
• Visit iCloud.
• Calendar, Reminders, and Contacts should be turned on

Solution #3:  Re-add your Account to the Calendar

• Open your iPhone’s Settings menu.
• Choose Calendar.
• Select Accounts.
• Select iCloud.
• Tap Sign Out at the bottom.
• Switch off your iPhone.
• Repeat the previous steps at this point.
• Reload your account to the calendar.

Solution #4: Reinstall the Calendar App after uninstalling it.

• You must back up your device before beginning this step. because the info on the phone is deleted.

Use iTunes to restore your iPhone

• Sync your iPhone with your Mac.
• On your Mac, launch iTunes.
• Then click on the iPhone icon located at the top.
• Click Restore iPhone after that.

Force Close the Calendar App

• On the home screen, first press and hold the Calendar app.
• Then click the (X) button, and from the pop-up menu, choose Delete.
• Go to the app store.
• Install the calendar app from the app store after that.

Solution #5: Upgrade your iPhone’s iOS software.

• Find the Settings menu by navigating.
• Choose General.
• Select Software Update.
• Select Download then Install. 
• Select Continue.
• If asked, enter your passcode.

Note: You can visit an Apple shop and ask a technician to help you troubleshoot the error if you still have issues with your iPhone calendar and it still won’t let you reply to your invitation.

Conclusion:  These are the effective fixes for the issue with the calendar app on your iPhone. You can now manage your entire schedule with ease and email your response to every invitation effortlessly by following the provided simple and quick steps.