DB Error:connect failed help me

hi anton ,
i will install playsms on ubuntu 18 from microsoft azure , am alwys getting this message DB error :connect failed

Review your database connection parameters

i don’t know how i can fixed, can somebody hepl me plz.

pleas contact me I can sort out the db issue
skype id is "adev09@gmail.com"

thanks brother i solved but i have another prob ,
how i can Connect Mobile phone/ GSM modem to a VPS or hosting dedicated server!

i’am using linux azure,
is this even possible.


I am getting the same problem…
DB Error: connect failed

Ubuntu 18.04.3
PHP 7.2.19
MySQL Server version: 5.7.27

Any help Please…

Check your user database