Telegram returned an RPC error: The provided username is not valid (USERNAME_INVALID), caused by /home/e/evgeni72/tgbase.ru/public_html/wp-content/themes/telegcat/inc/MadelineProto/src/danog/MadelineProto/MTProtoTools/PeerHandler.php:798 TL trace: Revision: PeerHandler.php(798): method_call("contacts.resolveUsername",{"username":"ukrmemesmineproblemes "},{"datacenter":2}) PeerHandler.php(393): resolve_username("ukrmemesmineproblemes ") TL.php(342): get_info("ukrmemesmineproblemes ") ['peer'] While serializing: messages.getHistory CallHandler.php(72): serialize_method("messages.getHistory",{"peer":"@Ukrmemesmineproblemes ","offset_id":0,"offset_date":0,"add_offset":0,"limit":10,"max_id":0,"min_id":0,"hash":0}) APIFactory.php(143): method_call("messages.getHistory",{"peer":"@Ukrmemesmineproblemes ","offset_id":0,"offset_date":0,"add_offset":0,"limit":10,"max_id":0,"min_id":0,"hash":0},{"datacenter":2,"apifactory":true}) functions.php(167): __call("getHistory",[{"peer":"@Ukrmemesmineproblemes ","offset_id":0,"offset_date":0,"add_offset":0,"limit":10,"max_id":0,"min_id":0,"hash":0}]) functions.php(144): lets_refresh() class-wp-hook.php(286): refresh_posts("") class-wp-hook.php(310): apply_filters(null,[""]) plugin.php(453): do_action([""]) template-loader.php(12): do_action("template_redirect") wp-blog-header.php(19): require_once("\/home\/e\/evgeni72\/tgbase.ru\/public_html\/wp-includes\/template-loader.php") index.php(17): require("\/home\/e\/evgeni72\/tgbase.ru\/public_html\/wp-blog-header.php")