Including header.php
<br />
<b>Fatal error</b>:  Uncaught mysqli_sql_exception: Access denied for user 'd03be451'@'localhost' (using password: YES) in /www/htdocs/w013aadf/lp.craftconversions.de/src/includes/db.php:8
Stack trace:
#0 /www/htdocs/w013aadf/lp.craftconversions.de/src/includes/db.php(8): mysqli-&gt;__construct('localhost', 'd03be451', Object(SensitiveParameterValue), 'd03be451')
#1 /www/htdocs/w013aadf/lp.craftconversions.de/src/includes/header.php(7): include('/www/htdocs/w01...')
#2 /www/htdocs/w013aadf/lp.craftconversions.de/src/layout/index.php(4): include('/www/htdocs/w01...')
#3 {main}
  thrown in <b>/www/htdocs/w013aadf/lp.craftconversions.de/src/includes/db.php</b> on line <b>8</b><br />