Ambiguous error when displaying Tag

Hey guys,
I am trying to post a link as a tag in my sentry issue sent as a warning from the Python SDK, but I am getting a weird error when displaying it:
Screen Shot 2020-10-29 at 3.06.48 PM (2)
The value is being sent as I expect, as it is available in the correct stack trace.
Why would Sentry not render this correctly? Is this the result of a size limit?

The link’s value, as seen in the stack trace where I populate tags: