DB ERROR:connect failed

I am using Kali rolling in debian 8,i am always getting this error from start,am a newbie and i did follow everything please help me!!!

Hi! What versions of PlaySMS, Apache, MySQL(MariaDB) and PHP are you using?

Regards,
Jamshid

Hello sir Thank you so much for replying,I am having mariadb 10.3 and apache2 idk about php version,platsms 1.4.2,and am using Kali Linux in Debian 8.Please help me getting this to work ,am so into it…

Please read, maybe this post will help you:

Regards,
Jamshid