زبیکس : Unsupported charset or collation for tables

من زبیکس خودم رو اپدیت کردم به نسخه 4.4.9 و هیچ مشکلی ندارم باهاش اما یک مشکلی رو نشون میده در قسمت system information نمیدونم چی جوری حل کنم خوشحال میشم رهنمایی کنید
این متن رو نمایش میده در قسمت system information

“Unsupported charset or collation for tables: acknowledges, actions, alerts, application_discovery, application_prototype, applications, auditlog, auditlog_details, autoreg_host, conditions, config, config_autoreg_tls, corr_condition_tag, corr_condition_tagpair, corr_condition_tagvalue, correlation, dashboard, dchecks, drules, dservices, event_tag, events, expressions, functions, globalmacro, graph_theme, graphs, graphs_items, group_discovery, group_prototype, history_log, history_str, history_text, host_discovery, host_inventory, host_tag, hostmacro, hosts, housekeeper, hstgrp, httpstep, httpstep_field, httptest, httptest_field, icon_map, icon_mapping, ids, images, interface, item_condition, item_discovery, item_preproc, item_rtdata, items, lld_macro_path, maintenance_tag, maintenances, mappings, media, media_type, media_type_param, opcommand, opconditions, operations, opmessage, problem, problem_tag, profiles, proxy_autoreg_host, proxy_dhistory, proxy_history, regexps, screens, screens_items, scripts, services, services_times, sessions, slides, slideshows, sysmap_element_url, sysmap_shape, sysmap_url, sysmaps, sysmaps_elements, sysmaps_link_triggers, sysmaps_links, tag_filter, task_remote_command, task_remote_command_result, trigger_tag, triggers, users, usrgrp, valuemaps, widget, widget_field.”