Fix bug

src/server/api/endpoints/admin/update-meta.ts

@@ -443,6 +443,10 @@ export default define(meta, (ps) => new Promise(async (res, rej) => {
 		set.smtpPass = ps.smtpPass;
 	}
 
+	if (ps.errorImageUrl !== undefined) {
+		set.errorImageUrl = ps.errorImageUrl;
+	}
+
 	await Meta.update({}, {
 		$set: set
 	}, { upsert: true });

src/server/api/endpoints/meta.ts

@@ -65,6 +65,7 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 		recaptchaSiteKey: instance.recaptchaSiteKey,
 		swPublickey: config.sw ? config.sw.public_key : null,
 		bannerUrl: instance.bannerUrl,
+		errorImageUrl: instance.errorImageUrl,
 		maxNoteTextLength: instance.maxNoteTextLength,
 		emojis: emojis,
 		enableEmail: instance.enableEmail,