报错内容如下:
admin#/mail:1 Uncaught (in promise) mr {status: 500, options: {…}, xhr: XMLHttpRequest, responseText: ‘<br />\n<b>Deprecated</b>: Callables of the form […EmitterException.php</b> on line <b>20</b><br />\n’, response: null, …}alert: {type: ‘error’, content: Array(1), controls: false}options: {background: true, method: ‘POST’, url: ‘https://forum.starkettle.com/api/mail/test’, deserialize: ƒ, config: ƒ, …}response: nullresponseText: "<br />\n<b>Deprecated</b>: Callables of the form [\“Swift_SmtpTransport\”, \“Swift_Transport_EsmtpTransport::construct\”] are deprecated in <b>/www/wwwroot/forum.starkettle.com/vendor/swiftmailer/swiftmailer/lib/classes/Swift/SmtpTransport.php</b> on line <b>36</b><br />\n<br />\n<b>Deprecated</b>: Callables of the form [\“Swift_Message\”, \“Swift_Mime_SimpleMessage::construct\”] are deprecated in <b>/www/wwwroot/forum.starkettle.com/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Message.php</b> on line <b>46</b><br />\n<br />\n<b>Fatal error</b>: Uncaught Laminas\HttpHandlerRunner\Exception\EmitterException: Output has been emitted previously; cannot emit response in /www/wwwroot/forum.starkettle.com/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php:20\nStack trace:\n#0 /www/wwwroot/forum.starkettle.com/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitterTrait.php(42): Laminas\HttpHandlerRunner\Exception\EmitterException::forOutputSent()\n#1 /www/wwwroot/forum.starkettle.com/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitter.php(21): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput()\n#2 /www/wwwroot/forum.starkettle.com/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(75): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->emit()\n#3 /www/wwwroot/forum.starkettle.com/vendor/flarum/core/src/Http/Server.php(45): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()\n#4 /www/wwwroot/forum.starkettle.com/public/index.php(26): Flarum\Http\Server->listen()\n#5 {main}\n thrown in <b>/www/wwwroot/forum.starkettle.com/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php</b> on line <b>20</b><br />\n"status: 500xhr: XMLHttpRequest {readyState: 4, timeout: 0, withCredentials: false, abort: ƒ, onreadystatechange: ƒ, …}[[Prototype]]: Object
Promise.catch(异步)
n.sendTestEmail @ MailPage.tsx:134
onclick @ MailPage.tsx:111
j.handleEvent @ render.js:888