Estimating a large amount results in a server error 500

Summary

Setting an estimate to a large amount returns a server error.

Steps to reproduce

Apply /estimate 1000000000000h to an issue

Example Project

Applies to all projects.

What is the current bug behavior?

Server Error (500), results in a notification: Your comment could not be submitted! Please check your network connection and try again.

What is the expected correct behavior?

Notification of maximum estimate.