diff --git a/src/arguments/boolean.ts b/src/arguments/boolean.ts
index 8c9546e1284..118d97ebe5e 100644
--- a/src/arguments/boolean.ts
+++ b/src/arguments/boolean.ts
@@ -28,10 +28,10 @@ export class CoreArgument extends Argument<boolean> {
 	}
 
 	private get getDefaultTruthValues() {
-		return (this.defaultTruthValues ??= getT('en-US')(LanguageKeys.Arguments.BooleanTrueOptions).filter(filterNullish));
+		return (this.defaultTruthValues ??= getT()(LanguageKeys.Arguments.BooleanTrueOptions).filter(filterNullish));
 	}
 
 	private get getDefaultFalseValues() {
-		return (this.defaultFalseValues ??= getT('en-US')(LanguageKeys.Arguments.BooleanFalseOptions).filter(filterNullish));
+		return (this.defaultFalseValues ??= getT()(LanguageKeys.Arguments.BooleanFalseOptions).filter(filterNullish));
 	}
 }
diff --git a/src/arguments/channelName.ts b/src/arguments/channelName.ts
index dceb1c20a58..91febfd2035 100644
--- a/src/arguments/channelName.ts
+++ b/src/arguments/channelName.ts
@@ -9,7 +9,7 @@ import type { Guild, GuildChannel, ThreadChannel, User } from 'discord.js';
 export class UserArgument extends Argument<GuildChannel | ThreadChannel> {
 	public resolveChannel(query: string, guild: Guild) {
 		const channelId = ChannelMentionRegex.exec(query) ?? SnowflakeRegex.exec(query);
-		return (channelId !== null && guild.channels.cache.get(channelId[1])) ?? null;
+		return (channelId !== null && guild.channels.cache.get(channelId.groups!.id)) ?? null;
 	}
 
 	public async run(parameter: string, { message, minimum, context, filter }: ChannelArgumentContext) {
@@ -17,7 +17,10 @@ export class UserArgument extends Argument<GuildChannel | ThreadChannel> {
 		filter = this.getFilter(message.author, filter);
 
 		const resChannel = this.resolveChannel(parameter, message.guild);
-		if (resChannel && filter(resChannel)) return this.ok(resChannel);
+		if (resChannel) {
+			if (filter(resChannel)) return this.ok(resChannel);
+			return this.error({ parameter, identifier: LanguageKeys.Arguments.GuildChannelMismatchingError, context });
+		}
 
 		const result = await new FuzzySearch(message.guild.channels.cache, (entry) => entry.name, filter).run(message, parameter, minimum);
 		if (result) return this.ok(result[1]);
diff --git a/src/languages/en-US/arguments.json b/src/languages/en-US/arguments.json
index fed5e3184cc..ae32b6a15ee 100644
--- a/src/languages/en-US/arguments.json
+++ b/src/languages/en-US/arguments.json
@@ -46,6 +46,7 @@
 	"floatTooLarge": "The parameter `{{parameter}}` is too high! It needs to be less than {{maximum}}!",
 	"floatTooSmall": "The parameter `{{parameter}}` is too low! It needs to be at least {{minimum}}!",
 	"guildChannelError": "I could not resolve `{{parameter}}` to a channel from this server, please make sure you typed its name or ID correctly!",
+	"guildChannelMismatchingError": "The parameter `{{parameter}}` resolved to an incompatible channel type in this server, please try another channel!",
 	"guildChannelMissingGuildError": "I was not able to resolve `{{parameter}}` because this argument requires to be run in a server channel.",
 	"guildPrivateThreadChannelError": "I could not resolve `{{parameter}}` to a private thread channel, please make sure you typed its name or ID correctly!",
 	"guildPublicThreadChannelError": "I could not resolve `{{parameter}}` to a public thread channel, please make sure you typed its name or ID correctly!",
diff --git a/src/lib/database/entities/GuildEntity.ts b/src/lib/database/entities/GuildEntity.ts
index 953b66faeb0..caa959f68e7 100644
--- a/src/lib/database/entities/GuildEntity.ts
+++ b/src/lib/database/entities/GuildEntity.ts
@@ -26,7 +26,7 @@ export class GuildEntity extends BaseEntity implements IBaseEntity {
 
 	@ConfigurableKey({ description: LanguageKeys.Settings.Language, type: 'language' })
 	@Column('varchar', { name: 'language', default: 'en-US' })
-	public language = 'en-US';
+	public language: LocaleString = 'en-US';
 
 	@ConfigurableKey({ description: LanguageKeys.Settings.DisableNaturalPrefix })
 	@Column('boolean', { name: 'disable-natural-prefix', default: false })
@@ -672,7 +672,7 @@ export class GuildEntity extends BaseEntity implements IBaseEntity {
 	 * Gets the [[Language]] for this entity.
 	 */
 	public getLanguage(): TFunction {
-		return getT(this.language as LocaleString);
+		return getT(this.language);
 	}
 
 	/**
diff --git a/src/lib/i18n/languageKeys/keys/Arguments.ts b/src/lib/i18n/languageKeys/keys/Arguments.ts
index c3a6c3676cd..4d4099fa3c9 100644
--- a/src/lib/i18n/languageKeys/keys/Arguments.ts
+++ b/src/lib/i18n/languageKeys/keys/Arguments.ts
@@ -20,6 +20,7 @@ export const FloatError = FT<{ parameter: string }>('arguments:floatError');
 export const FloatTooLarge = FT<{ parameter: string; maximum: number }>('arguments:floatTooLarge');
 export const FloatTooSmall = FT<{ parameter: string; minimum: number }>('arguments:floatTooSmall');
 export const GuildChannelError = FT<{ parameter: string }>('arguments:guildChannelError');
+export const GuildChannelMismatchingError = FT<{ parameter: string }>('arguments:guildChannelMismatchingError');
 export const GuildChannelMissingGuildError = FT<{ parameter: string }>('arguments:guildChannelMissingGuildError');
 export const GuildPrivateThreadChannelError = FT<{ parameter: string }>('arguments:guildPrivateThreadChannelError');
 export const GuildPublicThreadChannelError = FT<{ parameter: string }>('arguments:guildPublicThreadChannelError');
diff --git a/src/lib/i18n/translate.ts b/src/lib/i18n/translate.ts
index f3167225585..dc34d5347b8 100644
--- a/src/lib/i18n/translate.ts
+++ b/src/lib/i18n/translate.ts
@@ -131,7 +131,7 @@ export function getT(locale?: LocaleString | Nullish) {
  * @returns The fetched language as a {@link LocaleString}.
  */
 export async function fetchLanguage(context: InternationalizationContext) {
-	return ((await container.i18n.fetchLanguage(context)) ?? 'en-US') as LocaleString;
+	return (await container.i18n.fetchLanguage(context))! as LocaleString;
 }
 
 /**
diff --git a/src/lib/structures/SettingsMenu.ts b/src/lib/structures/SettingsMenu.ts
index 181d68cd8ec..73d3c0c9df2 100644
--- a/src/lib/structures/SettingsMenu.ts
+++ b/src/lib/structures/SettingsMenu.ts
@@ -141,7 +141,12 @@ export class SettingsMenu {
 	}
 
 	private async onReaction(reaction: LLRCData): Promise<void> {
+		// If the message is not the menu's message, ignore:
+		if (!this.response || reaction.messageId !== this.response.id) return;
+
+		// If the user is not the author, ignore:
 		if (reaction.userId !== this.message.author.id) return;
+
 		this.llrc?.setTime(TIMEOUT);
 		if (reaction.emoji.name === EMOJIS.STOP) {
 			this.llrc?.end();
@@ -160,11 +165,10 @@ export class SettingsMenu {
 
 		const channelId = this.response.channel.id;
 		const messageId = this.response.id;
-		const reactionId = encodeURIComponent(reaction);
 		try {
 			return await (userId === this.message.client.user!.id
-				? api().channels.deleteUserMessageReaction(channelId, messageId, reactionId, userId)
-				: api().channels.deleteOwnMessageReaction(channelId, messageId, reactionId));
+				? api().channels.deleteUserMessageReaction(channelId, messageId, reaction, userId)
+				: api().channels.deleteOwnMessageReaction(channelId, messageId, reaction));
 		} catch (error) {
 			if (error instanceof DiscordAPIError) {
 				if (error.code === RESTJSONErrorCodes.UnknownMessage) {
diff --git a/src/tasks/reminder.ts b/src/tasks/reminder.ts
index 96ccf58cf2d..9787972d7a9 100644
--- a/src/tasks/reminder.ts
+++ b/src/tasks/reminder.ts
@@ -12,7 +12,7 @@ export class UserTask extends Task {
 
 		if (user) {
 			const timestamp = time(new Date(), TimestampStyles.ShortDateTime);
-			const reminderHeader = getT('en-US')(LanguageKeys.System.ReminderHeader, { timestamp });
+			const reminderHeader = getT()(LanguageKeys.System.ReminderHeader, { timestamp });
 
 			await resolveOnErrorCodes(
 				//
diff --git a/tests/lib/util.test.ts b/tests/lib/util.test.ts
index c0415d16244..61964f6c232 100644
--- a/tests/lib/util.test.ts
+++ b/tests/lib/util.test.ts
@@ -262,7 +262,7 @@ describe('Utils', () => {
 				${AttachmentText}  | ${ExpectedReturn}   | ${ExpectedEmbedImageURL}    | ${'non-image attachment'}
 				${AttachmentImage} | ${'attachment URL'} | ${AttachmentImage.proxyURL} | ${'image attachment'}
 			`(`AND $description THEN returns $returns`, ({ attachment, expected }) => {
-				const message: DeepPartial<Message> = { attachments: createAttachments(attachment), embeds };
+				const message: DeepPartial<Message> = { attachments: createAttachments(attachment), embeds, stickers: new Collection() };
 
 				expect(getImage(message)).toEqual(expected);
 			});
diff --git a/tests/lib/util/functions/emojis/getEmojiReactionFormat.test.ts b/tests/lib/util/functions/emojis/getEmojiReactionFormat.test.ts
index 004371a6f3c..23f98c6e19a 100644
--- a/tests/lib/util/functions/emojis/getEmojiReactionFormat.test.ts
+++ b/tests/lib/util/functions/emojis/getEmojiReactionFormat.test.ts
@@ -1,9 +1,9 @@
 import { getEmojiReactionFormat } from '#utils/functions';
-import { encodedBunnyTwemoji, serializedAnimatedSkyraGlasses, serializedStaticSkyra } from '../../../../mocks/constants.js';
+import { bunnyTwemoji, encodedBunnyTwemoji, serializedAnimatedSkyraGlasses, serializedStaticSkyra } from '../../../../mocks/constants.js';
 
 describe('getEmojiReactionFormat', () => {
 	test('GIVEN encoded twemoji THEN returns encoded twemoji', () => {
-		expect(getEmojiReactionFormat(encodedBunnyTwemoji)).toBe(encodedBunnyTwemoji);
+		expect(getEmojiReactionFormat(encodedBunnyTwemoji)).toBe(bunnyTwemoji);
 	});
 
 	test('GIVEN custom serialized static emoji THEN returns :_:819227046453444620>', () => {