If you are experiencing login failures with KLM due to a "technical issue," follow these steps to potentially resolve the problem:

1. Check the KLM Service Status: Sometimes, KLM experiences technical difficulties which might affect their online services. Visit the KLM IT Malfunction update - [learn more]. Here, you can find the latest information about any ongoing issues that might be affecting the login process.

2. Clear Browser Cache and Cookies: If there are no ongoing technical issues reported, clear your browser's cache and cookies. This can resolve many login issues. Here’s how to do it:
- Open your browser settings.
- Navigate to 'Privacy and Security'.
- Click on 'Clear browsing data'.
- Select 'Cookies and other site data' and 'Cached images and files'.
- Click on 'Clear data'.

3. Try a Different Device or Browser: If clearing cache doesn’t work, attempt to log in using a different device or browser. This helps ensure the issue isn't specific to your current setup.

4. Ensure Your Credentials are Correct: Double-check the username and password you are entering. If you've forgotten your password, use the "Forgot Password?" option to reset it.

5. Update Your App or Browser: If you’re using the KLM app or a web browser, ensure that they are up to date. Sometimes, outdated software can cause compatibility issues.

6. Contact KLM Customer Support: If the problem persists after trying the above steps, it’s advisable to contact KLM’s Customer Contact Centre for assistance. You can find the contact options here: Contact the KLM Customer Contact Centre - [learn more].

By following these steps, you should be able to address the login issues you're experiencing with KLM.