MySQL connection error: (# 1045) 'Access denied for user 'XXXXXXX'@'localhost' (using password: YES)'

Stack trace:
[ 0] __construct({Array( [dbHost] => localhost [dbPass] => XXXXXX...})  @  /base/zfx/data-model/Model.php[107]
[ 1] __construct(configuracion, )  @  /models/my/ModeloBase.php[27]
[ 2] __construct(configuracion, )  @  /modules/configplataforma/models/MConfigPlataforma.php[25]
[ 3] __construct()  @  /views/klorofil/common/head.php[26]
[ 4] require(/var/www/vhosts/tuland.viajes/httpdocs/views/klorofil/common/head.php)  @  /base/zfx/core/View.php[382]
[ 5] showSection(/var/www/vhosts/tuland.viajes/httpdocs/views/klorofil/common/head.php)  @  /views/klorofil/common/tplError.php[24]
[ 6] require(/var/www/vhosts/tuland.viajes/httpdocs/views/klorofil/common/tplError.php)  @  /base/zfx/core/View.php[225]
[ 7] show()  @  /base/zfx/message-errors/MessageErrors.php[22]
[ 8] showError(/klorofil/common/tplError, 403, {Array( [title] => Error en el Token [message] =...})  @  /controllers/abstract/ControllerBase.php[291]
[ 9] loadConnection()  @  /controllers/abstract/ControllerBase.php[72]
[10] __construct()  @  /controllers/abstract/PermissionBase.php[31]
[11] __construct(, )  @  /controllers/abstract/ScopeBase.php[35]
[12] __construct(, )  @  /controllers/abstract/PublicBase.php[45]
[13] __construct(citaprevia)  @  /modules/citaprevia/controllers/Citaprevia.php[31]
[14] __construct()  @  /index.php[197]