It appears that you have reached the maximum number of maximum concurrent sessions, with MBC Shahid, you can access your account from up to 20 devices with varying streaming limits based on your subscription:
• Ultimate: 4 concurrent streams from multiple locations.
• VIP, VIP | Sports, Epic Bundle & Epic Bundle | Sports: 2 concurrent streams from 1 location.
• VIP Mobile plan: 1 concurrent stream. 

But if you see Maximum concurrent sessions error and think you haven't accessed those sessions or you're the only one using your account, please follow these steps:
 

1. Go to “my account”
2. Click on “Devices Management”
3. Delete unneeded devices
4. Try logout and login again.

You can reset your password as well to solve the issue:
 
If you are using a Web browser, simply follow the steps below: 
 

1. Login to your account  
2. Go to my account settings. 
3. Click on change password 
4. Enter your current password and create a new unique valid password. 

If you are using the app, simply follow the steps below: 
 

1. Login to your account  
2. Click on the avatar icon below 
3. Go to my account 
4. Click on change password 
5. Enter your current password and create a new unique valid password. 

If the issue still there, please provide our customer care team with a screenshot of the error and device management page.