URI::InvalidURIError in MainController#index

URI must be ascii only "wiki/\u00C9mile_Zola"

Extracted source (around line #85):
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def build_redirect_url(base, extra, query_string)
uri = URI::join(base.strip, extra || "")
uri.query = query_string if query_string.present?
uri
end

Rails.root: /hover-parked

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"path"=>"wiki/Émile_Zola"}

Response

Headers:

None