Describe the bug

I was using the hosted demo to do a code search: https://demo.sourcebot.dev/~/search?query=repo%3A%5Egithub%5C.com%2Fflutter%2Fflutter%24%20lang%3ADart%20Button

Instead of giving me results, it reports 0 results and an error:

To reproduce

https://demo.sourcebot.dev/~/search?query=repo%3A%5Egithub%5C.com%2Fflutter%2Fflutter%24%20lang%3ADart%20Button

Sourcebot deployment information

whatever version the hosted demo uses

Additional information

No response