🎯 Create Google OAuth Client ID - Visual Guide

🚨 Current Problem

Invalid Client ID: 262696716828-n4gp36gigsofbkkv2f63iv1jm0mv5g6l

Error: "The OAuth client was not found. Error 401: invalid_client"

Solution: You must create your own OAuth Client ID - you cannot use someone else's!

Step 1: Go to Google Cloud Console

Click this button to open Google Cloud Console:

🚀 Open Google Cloud Console

Sign in with your Google account: suyttru@gmail.com

Step 2: Create OAuth 2.0 Client ID

In Google Cloud Console:

Step 3: Add Authorized JavaScript Origins

Copy and paste these EXACT URLs (click to copy):

https://event.com.de https://www.event.com.de http://event.com.de http://www.event.com.de

⚠️ Important: No trailing slashes, no ports, exact formatting!

Step 4: Get Your Client ID

After creating, you'll get a Client ID like:

123456789-abcdefghijk.apps.googleusercontent.com

📋 Copy this entire Client ID - you'll need it next!

Step 5: Update Your Website

Once you have your new Client ID, click here to update automatically:

🔧 Automatic Update Tool

Paste your new Client ID here:


✅ After Fix - Expected Results

🧪 Test Your Fix

After updating the Client ID:

Test Login Page OAuth Diagnostic Tool

Clear your browser cache before testing!