Erreur

Erreur de lecture de la base de données
Debug info: MySQL server has gone away
SELECT p.*, u.id AS useridalias,u.picture,u.firstname,u.lastname,u.firstnamephonetic,u.lastnamephonetic,u.middlename,u.alternatename,u.imagealt,u.email FROM cocoon_post p, cocoon_user u WHERE u.deleted = 0 AND p.userid = u.id AND (p.module = 'blog' OR p.module = 'blog_external') AND p.publishstate = 'public' ORDER BY created DESC LIMIT 0, 10
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Error code: dmlreadexception
Stack trace:
  • line 486 of /lib/dml/moodle_database.php: dml_read_exception thrown
  • line 1273 of /lib/dml/mysqli_native_moodle_database.php: call to moodle_database->query_end()
  • line 614 of /blog/locallib.php: call to mysqli_native_moodle_database->get_records_sql()
  • line 90 of /blocks/cocoon_blog_recent_list/block_cocoon_blog_recent_list.php: call to blog_listing->get_entries()
  • line 341 of /blocks/moodleblock.class.php: call to block_cocoon_blog_recent_list->get_content()
  • line 235 of /blocks/moodleblock.class.php: call to block_base->formatted_contents()
  • line 1181 of /lib/blocklib.php: call to block_base->get_content_for_output()
  • line 1239 of /lib/blocklib.php: call to block_manager->create_block_contents()
  • line 374 of /lib/blocklib.php: call to block_manager->ensure_content_created()
  • line 3953 of /lib/outputrenderers.php: call to block_manager->region_has_content()
  • line 233 of /theme/edumy/ccn/ccn_themehandler.php: call to core_renderer->blocks()
  • line 3 of /theme/edumy/layout/columns2.php: call to include()
  • line 1374 of /lib/outputrenderers.php: call to include()
  • line 1304 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
  • line 1950 of /lib/setuplib.php: call to core_renderer->header()
  • line 162 of /blog/index.php: call to bootstrap_renderer->__call()