Api wot/lookup fail with "Cannot read property 'number' of undefined"

https://g1-test.duniter.org/wot/lookup/vit

or

curl https://g1-test.duniter.org/wot/lookup/droYn565eApVvJFu18trt4qTiS8uFcVpd5TdwSUPQAT

return:

{
  "ucode": 1002,
  "message": "Cannot read property 'number' of undefined"
}