Hi there! It sounds like you're experiencing some trouble with the KidiCom Chat app. I can definitely help you with that. Just to clarify, are you seeing an error message indicating maintenance, and then does the app crash every time you try to log back in?

Let’s start with some basic troubleshooting steps:

1. Clear the App Cache:
- Go to your device's Settings.
- Tap on Apps or Applications.
- Find and select KidiCom Chat.
- Tap on Storage and then select Clear Cache.
- After that, try launching the app again.

2. Check for App Updates:
- Open the Google Play Store.
- Search for KidiCom Chat.
- If there's an Update button, tap it to update the app.

3. Restart Your Device:
- Sometimes a simple restart can resolve temporary issues. Hold down the power button and select Restart.

If you've tried these steps and the app still won’t let you log back in, let me know what you've done already, and we can explore some further options!