Uncaught exception thrown in session handler.

PDOException: SQLSTATE[HY000]: General error: 1206 The total number of locks exceeds the lock table size: INSERT INTO {sessions} (sid, ssid, uid, cache, hostname, session, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6); Array ( [:db_insert_placeholder_0] => 7vaVa_BJD1RVc7be9rdtO2IsqWicOfuAoiMemKbY-X4 [:db_insert_placeholder_1] => 7vaVa_BJD1RVc7be9rdtO2IsqWicOfuAoiMemKbY-X4 [:db_insert_placeholder_2] => 0 [:db_insert_placeholder_3] => 0 [:db_insert_placeholder_4] => 44.210.83.132 [:db_insert_placeholder_5] => messages|a:1:{s:5:"error";a:8:{i:0;s:317:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$bin is deprecated dans <em class="placeholder">MemCacheDrupal->__construct()</em> (ligne <em class="placeholder">30</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";i:1;s:335:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$wildcard_flushes is deprecated dans <em class="placeholder">MemCacheDrupal->reloadVariables()</em> (ligne <em class="placeholder">637</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";i:2;s:329:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$invalidate is deprecated dans <em class="placeholder">MemCacheDrupal->reloadVariables()</em> (ligne <em class="placeholder">638</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";i:3;s:333:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$cache_lifetime is deprecated dans <em class="placeholder">MemCacheDrupal->reloadVariables()</em> (ligne <em class="placeholder">639</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";i:4;s:330:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$cache_flush is deprecated dans <em class="placeholder">MemCacheDrupal->reloadVariables()</em> (ligne <em class="placeholder">640</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";i:5;s:338:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$cache_content_flush is deprecated dans <em class="placeholder">MemCacheDrupal->reloadVariables()</em> (ligne <em class="placeholder">641</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";i:6;s:340:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$cache_temporary_flush is deprecated dans <em class="placeholder">MemCacheDrupal->reloadVariables()</em> (ligne <em class="placeholder">642</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";i:7;s:326:"<em class="placeholder">Deprecated function</em> : Creation of dynamic property MemCacheDrupal::$flushed is deprecated dans <em class="placeholder">MemCacheDrupal->reloadVariables()</em> (ligne <em class="placeholder">643</em> dans <em class="placeholder">/var/www/drupal-7.99/sites/all/modules/memcache/memcache.inc</em>).";}} [:db_insert_placeholder_6] => 1716966127 ) in _drupal_session_write() (line 212 of /var/www/drupal-7.99/includes/session.inc).