SPARQL loading fails in some cases

[esjewett]

Example:

Endpoint: http://collection.britishmuseum.org/sparql.xml
Query:
SELECT ?p ?o
WHERE {
http://collection.britishmuseum.org/id/object/PPA82633 ?p ?o .
}

Error:

palladio.min.js:5 TypeError: Cannot read property 'bindings' of undefined
at yasgui.js:56
at f.$eval (palladio.min.js:6)
at f.$apply (palladio.min.js:6)
at Object.yasqe.options.sparql.handlers.success (yasgui.js:48)
at p (yasqe.min.js:7)
at Object.fireWith as resolveWith
at i (yasqe.min.js:9)
at XMLHttpRequest.t (yasqe.min.js:9)