As I cannot see any reference on how to use properly the sysparm_query_category, may I confirm on how did you append the sysparm_query_category in get request?
uicontextmenuconfiguration
jersey
test-explorer
linktext
protobuf-go
pagerslidingtabstrip
isolation
optional-parameters
sass-modules
roslyn-code-analysis
rdfox
testing-libraryreact-native
android-doze
rhel6
inject
selectinput
honeypot
bluetoothlescanner
unsafemutablepointer
null-test
associativity
projector
pandas.dataframe.to-gbq
emptydatatext
teechart
bsondocument
react-ga
winscard
issabel
php-7.2
