Connection error :SQLSTATE[HY000] [1045] Access denied for user 'dbuser_local'@'localhost' (using password: YES)

( ! ) Warning: Undefined variable $pdo in C:\sites\Loan\tienda\header.php on line 16
Call Stack
#	Time	Memory	Function	Location
1	0.1580	411168	{main}( )	...\index.php:0
2	0.1597	418088	require_once( 'C:\sites\Loan\tienda\header.php )	...\index.php:1

( ! ) Fatal error: Uncaught Error: Call to a member function prepare() on null in C:\sites\Loan\tienda\header.php on line 16
( ! ) Error: Call to a member function prepare() on null in C:\sites\Loan\tienda\header.php on line 16
Call Stack
#	Time	Memory	Function	Location
1	0.1580	411168	{main}( )	...\index.php:0
2	0.1597	418088	require_once( 'C:\sites\Loan\tienda\header.php )	...\index.php:1