Help me auth Db init erorr

Hey guys, I have got a problem please help me (im sory ı bad speak englsih)
I started PrincessAuroraServer but gives an error..

auth Db init erorr
please help me

There are 2 search options on this damn webpage
I made an easy searching tool

And if im not wrong, i think this is the 2nd thread this week about this problem... :facepalm:

a) OPT Settings
a.b) DB username/password were incorrect or malformed
a.c) password is not set to correct property ._password = hashed .password = non-hashed
a.d) database IP or PORT improperly configured (always stick to 127.0.0.1 for database ip's EVEN ON a public server)
b) OPT was not compressed