Do you know how to fix this error?

This post fromMiniToolwill show you some reliable solutions to this calendar invitation error.

Have you ever gotten the iOS calendar error that your response to the invitation cannot be sent?

calendar invitation error

You tap OK but a few minutes later this error pops up again.

Why you come across this error?

If not, keep on your reading, this post covers reliable solutions.

Some Available Solutions to Deal with iTunes Error 9 Issue

Have you ever encountered iTunes error 9 when you use iTunes to restore your iPhone?

Now, you might read this post to learn some available solutions.

How to Solve Your Response to the Invitation Cannot Be Sent?

How to Fix iCloud Backup Failed? Here Are Solutions

After that, check whether this issue is solved.

If not, try the following solutions.

Way 2.

Now, here is the tutorial.

Way 3.

After that, check whether the issue that your response to the invitation cannot be sent is fixed.

So, try this solution.

Way 5.

If your equipment has a home button, double press the Home button.

This action will bring up the most recently used apps.

Find the Calendar app and swipe up to close it.

After that, check whether the issue that your response to the invitation cannot be sent is fixed.

If you are using an iPhone, you may come across the error of iCloud backup failed.

This post shows how to fix this error.

If you have the same trouble, try these solutions.

If you have any better ideas to fix this problem, share them in the comment zone.