Getting error message for Contao 4.4 LTS (Long-term support)

I am trying to Install contao on my hosting account, but getting error message and unable to solve the issue.

I read log file but unable to figure out what is the actual issue.
The version I tying to install : Contao 4.4 LTS (Long-term support).

ive url: https://contao.loudeffect.ml/

Error I am getting in front end is :
Attachment 256

Backed Log file :
Attachment 257

I am new in this CMS please guide me so I can install Contao.

Seems like the database credentials are wrong or incomplete. Did you set the database password correctly?