Whit code below this module can not be enabled. Why?
"modules": {
"generalPages": [
{
"url": "",
"key": "i4ware-tfj-dashboard",
"location": "system.top.navigation.bar",
"name": {
"value": "Timesheets"
},
"conditions": [
{
"condition": "user_is_logged_in"
}
]
}
]
}