Adding label with Special Characters produces GraphQL error: Unexpected HTTP status 500

Issue Summary

Users aren't able to add labels to pages containing special characters or punctuation marks.

Steps to Reproduce

1. Attempt to add a label to a page e.g www.google.com

Expected Results

Label is added

Actual Results

Label is not added results in an error:

GraphQL error: Unexpected HTTP status 500

Workaround

Currently there is no known workaround for this behavior. Add labels without special characters for the time being.