error pex 3

# The list of backends able to be selected
backends {
    # This will be the default backend once SQL database support is implemented
    # default {
    #  type = sql
    #  url = "jdbc:h2:permissions.db"
    # }
    simple {
        compat=false
        file="permissions.json"
        type=file
    }
}
# Whether to log permissions checks being performed
debug=false
# The default backend to use. Must be contained in the backends mapping.
default-backend=simple
# Tags that apply to this server (which match with permissions blocks restricted by server-tag contexts
server-tags=null
version=0