Could someone tell me what ive done wrong

the plugin has only ran about 12 hours and loads og bases have been removed
{
"Purge Settings": [
{
"Permission": "autopurge.defaultplayers",
"Lifetime": "8d"
},
{
"Permission": "autopurge.vipnoautopurge",
"Lifetime": "none"
},
{
"Permission": "autopurge.Elitenoautopurge",
"Lifetime": "none"
}
],
"Purge Timer Frequency": 900.0,
"Purge On Startup": false,
"Entities Per Step": 512,
"Purge Building Blocks": true,
"Purge Deployables": true,
"Purge Sleepers": true,
"Use Logs": false
}

i gave the vips and Elites perms to by pass