Filter message and don't send over any message that has empty contents to OpenAI's API.

src/routes/(app)/c/[id]/+page.svelte

 <script lang="ts">
-	import { v4 as uuidv4 } from 'uuid';
 	import { toast } from 'svelte-sonner';
+	import { v4 as uuidv4 } from 'uuid';
 
-	import { onMount, tick, getContext } from 'svelte';
 	import { goto } from '$app/navigation';
 	import { page } from '$app/stores';
 	import {
-		models,
-		modelfiles,
-		user,
-		settings,
-		chats,
-		chatId,
-		config,
 		WEBUI_NAME,
 		tags as _tags,
-		showSidebar
+		chatId,
+		chats,
+		config,
+		modelfiles,
+		models,
+		settings,
+		showSidebar,
+		user
 	} from '$lib/stores';
-	import { copyToClipboard, splitStream, convertMessagesToHistory } from '$lib/utils';
+	import { convertMessagesToHistory, copyToClipboard, splitStream } from '$lib/utils';
+	import { getContext, onMount, tick } from 'svelte';
 
-	import { generateChatCompletion, cancelOllamaRequest } from '$lib/apis/ollama';
 	import {
 		addTagById,
 		createNewChat,
@@ -30,20 +29,21 @@
 		getTagsById,
 		updateChatById
 	} from '$lib/apis/chats';
+	import { cancelOllamaRequest, generateChatCompletion } from '$lib/apis/ollama';
 	import { generateOpenAIChatCompletion, generateTitle } from '$lib/apis/openai';
 
 	import MessageInput from '$lib/components/chat/MessageInput.svelte';
 	import Messages from '$lib/components/chat/Messages.svelte';
 	import Navbar from '$lib/components/layout/Navbar.svelte';
 
+	import { queryMemory } from '$lib/apis/memories';
+	import { createOpenAITextStream } from '$lib/apis/streaming';
 	import {
 		LITELLM_API_BASE_URL,
-		OPENAI_API_BASE_URL,
 		OLLAMA_API_BASE_URL,
+		OPENAI_API_BASE_URL,
 		WEBUI_BASE_URL
 	} from '$lib/constants';
-	import { createOpenAITextStream } from '$lib/apis/streaming';
-	import { queryMemory } from '$lib/apis/memories';
 
 	const i18n = getContext('i18n');
 
@@ -619,7 +619,7 @@
 							: undefined,
 						...messages
 					]
-						.filter((message) => message)
+						.filter((message) => message.content != "")
 						.map((message, idx, arr) => ({
 							role: message.role,
 							...((message.files?.filter((file) => file.type === 'image').length > 0 ?? false) &&