Site web Prestashop HS depuis 10 jours

Bonjour,
Depuis 10 jours, j'ai ce message ci-dessous sur mon accès admin de Prestashop sur mon site en ligne. Avez-vous déjà rencontré ce problème?
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[PrestaShopException]
Link to database cannot be established:SQLSTATE[HY000] [1045] ProxySQL Error: Access denied for user 'lepelerin'@'10.20.101.2' (using password: YES)
at line 102 in file classes/db/DbPDO.php

97. public function connect()
98. {
99. try {
100. $this->link = $this->_getPDO($this->server, $this->user, $this->password, $this->database, 5);
101. } catch (PDOException $e) {
102. throw new PrestaShopException('Link to database cannot be established:'.$e->getMessage());
103. }
104.
105. // UTF-8 support
106. if ($this->link->exec('SET NAMES \'utf8\'') === false) {
107. throw new PrestaShopException('PrestaShop Fatal error: no utf-8 support. Please check your server configuration.');
DbPDOCore->connect - [line 319 - classes/db/Db.php]
314. if (!defined('_PS_DEBUG_SQL_')) {
315. define('_PS_DEBUG_SQL_', false);
316. }
317.
318. if ($connect) {
319. $this->connect();
320. }
321. }
322.
323. /**
324. * Disable the use of the cache
DbCore->__construct - [line 240 - classes/db/Db.php] - [4 Arguments]
235. self::$instance[$id_server] = new $class(
236. self::$_servers[$id_server]['server'],
237. self::$_servers[$id_server]['user'],
238. self::$_servers[$id_server]['password'],
239. self::$_servers[$id_server]['database']
240. );
241. }
242.
243. return self::$instance[$id_server];
244. }
245.
DbCore::getInstance - [line 66 - config/alias.php]
61. * @param bool $htmlOK Does data contain HTML code ? (optional)
62. * @return string Sanitized data
63. */
64. function pSQL($string, $htmlOK = false)
65. {
66. return Db::getInstance()->escape($string, $htmlOK);
67. }
68.
69. function bqSQL($string)
70. {
71. return str_replace('`', '\`', pSQL($string));
pSQL - [line 329 - classes/shop/Shop.php] - [1 Arguments]
Argument [0]
www.lepelerindessaveurs.com
ShopCore::initialize - [line 114 - config/config.inc.php]
109.
110. $context = Context::getContext();
111.
112. /* Initialize the current Shop */
113. try {
114. $context->shop = Shop::initialize();
115. $context->theme = new Theme((int)$context->shop->id_theme);
116. if ((Tools::isEmpty($theme_name = $context->shop->getTheme()) || !Validate::isLoadedObject($context->theme)) && !defined('_PS_ADMIN_DIR_')) {
117. throw new PrestaShopException(Tools::displayError('Current theme unselected. Please check your theme configuration.'));
118. }
119. } catch (PrestaShopException $e) {
require - [line 36 - admin/index.php] - [1 Arguments]
Argument [0]
/home/lepeleri/www/config/config.inc.php
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