ROS-Topics-part 2 QUIZ Check

I’m getting this error while trying to check my quiz result. Can anyone enlighten me about this issue please, Thanks for consideration.
Error is as follows in case image wont open:
Correction finished with errors from our side
Sorry something went wrong, Connect our support for mor information.

Hi Berker,

I apologize for this error. We’ll look at what went wrong, solve it ASAP and get back to you.

Hi Berker,

Just to let you know that we’re still working on the quiz problem. I apologize for the delay.

Thank you for your understanding.

Hi Berker,

I’m glad to inform you that this issue has been fixed. You can attempt submitting your quiz again.

Thanks for your patience.