Write custom language, plugin is not working

[pavl21]

2020-07-12 [14:58:34] [Server thread/CRITICAL]: ErrorException: "yaml_parse(): scanning error encountered during parsing: mapping values are not allowed in this context (line 12, column 23)" (EXCEPTION) in "src/pocketmine/utils/Config" at line 189
2020-07-12 [14:58:34] [Server thread/DEBUG]: #0 (): pocketmine\utils\Utils::errorExceptionHandler(integer 2, string[124] yaml_parse(): scanning error encountered during parsing: mapping values are not , string[61] phar:///root/Altay/Altay.phar/src/pocketmine/utils/Config.php, integer 189, array[4])
2020-07-12 [14:58:34] [Server thread/DEBUG]: #1 src/pocketmine/utils/Config(189): yaml_parse(string[6782] ---.reset: true.notfound:. plugin: ..cThis plugin will not work, Please install)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #2 src/pocketmine/utils/Config(122): pocketmine\utils\Config->load(string[51] /root/Altay/plugins/MailPlugin/language/english.yml, integer 2, array[0])
2020-07-12 [14:58:34] [Server thread/DEBUG]: #3 plugins/MailPlugin (3).phar/src/hmmhmmmm/mail/data/Language(233): pocketmine\utils\Config->__construct(string[51] /root/Altay/plugins/MailPlugin/language/english.yml, integer 2, array[0])
2020-07-12 [14:58:34] [Server thread/DEBUG]: #4 plugins/MailPlugin (3).phar/src/hmmhmmmm/mail/Mail(64): hmmhmmmm\mail\data\Language->__construct(object hmmhmmmm\mail\Mail, string[7] english)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #5 src/pocketmine/plugin/PluginBase(116): hmmhmmmm\mail\Mail->onEnable()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #6 src/pocketmine/plugin/PluginManager(552): pocketmine\plugin\PluginBase->setEnabled(boolean 1)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #7 src/pocketmine/Server(1787): pocketmine\plugin\PluginManager->enablePlugin(object hmmhmmmm\mail\Mail)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #8 src/pocketmine/Server(1773): pocketmine\Server->enablePlugin(object hmmhmmmm\mail\Mail)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #9 src/pocketmine/Server(1856): pocketmine\Server->enablePlugins(integer 1)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #10 src/pocketmine/command/defaults/ReloadCommand(49): pocketmine\Server->reload()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #11 src/pocketmine/command/SimpleCommandMap(248): pocketmine\command\defaults\ReloadCommand->execute(object pocketmine\Player, string[6] reload, array[0])
2020-07-12 [14:58:34] [Server thread/DEBUG]: #12 src/pocketmine/Server(1811): pocketmine\command\SimpleCommandMap->dispatch(object pocketmine\Player, string[6] reload)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #13 src/pocketmine/Player(2310): pocketmine\Server->dispatchCommand(object pocketmine\Player, string[6] reload)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #14 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(244): pocketmine\Player->chat(string[7] /reload)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #15 src/pocketmine/network/mcpe/protocol/CommandRequestPacket(54): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleCommandRequest(object pocketmine\network\mcpe\protocol\CommandRequestPacket)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #16 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(110): pocketmine\network\mcpe\protocol\CommandRequestPacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #17 src/pocketmine/network/mcpe/protocol/BatchPacket(127): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\CommandRequestPacket)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #18 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(110): pocketmine\network\mcpe\protocol\BatchPacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #19 src/pocketmine/Player(3247): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #20 src/pocketmine/network/mcpe/RakLibInterface(169): pocketmine\Player->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #21 vendor/pocketmine/raklib/src/server/ServerHandler(99): pocketmine\network\mcpe\RakLibInterface->handleEncapsulated(string[18] 90.187.246.5 53058, object raklib\protocol\EncapsulatedPacket, integer 0)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #22 src/pocketmine/network/mcpe/RakLibInterface(109): raklib\server\ServerHandler->handlePacket()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #23 src/pocketmine/network/mcpe/RakLibInterface(99): pocketmine\network\mcpe\RakLibInterface->process()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #24 vendor/pocketmine/snooze/src/SleeperHandler(123): pocketmine\network\mcpe\RakLibInterface->pocketmine\network\mcpe{closure}()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #25 vendor/pocketmine/snooze/src/SleeperHandler(85): pocketmine\snooze\SleeperHandler->processNotifications()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #26 src/pocketmine/Server(2157): pocketmine\snooze\SleeperHandler->sleepUntil(double 1594558710.852)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #27 src/pocketmine/Server(1994): pocketmine\Server->tickProcessor()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #28 src/pocketmine/Server(1588): pocketmine\Server->start()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #29 src/pocketmine/PocketMine(273): pocketmine\Server->__construct(object BaseClassLoader, object pocketmine\utils\MainLogger, string[12] /root/Altay/, string[20] /root/Altay/plugins/)
2020-07-12 [14:58:34] [Server thread/DEBUG]: #30 src/pocketmine/PocketMine(304): pocketmine\server()
2020-07-12 [14:58:34] [Server thread/DEBUG]: #31 (11): require(string[59] phar:///root/Altay/Altay.phar/src/pocketmine/PocketMine.php)

[Adam1609]

Try putting it on both "" symbol, this will work