I created a new controller with a new route. I dump generate my new fos_js-routes.json with this command : php bin/console fos:js-routing:dump My new json was
elementary-functions
servicepacks
modalpopupextender
fwrite
rpn
android-jetpack-compose-button
mosaico
pango
office-dialog-api
pigpio
holidays-gem
dynamics-crm
python-bob
memory-limit
mssql-tools
double-hashing
pic32
vueuse
react-daterange-picker
serverspec
singlethreadmodel
active-window
radeditor
digest
camera-calibration
graph
geopackage
css
ampl
android-snackbar