1. Közösség
2. Content Requests and Feedback
3. The daily Flagging limit needs to be increased.

@Kai Burghardt: I just wanted to let you know that there is still a daily flag limit, but it seems to have been increased again. Just now I received the "KAInternalError: Failed to flag post" error...

1. Közösség
2. Content Requests and Feedback
3. Regarding Profile Picture

This is a feature on the KA help center

1. Közösség
2. Computing Platform Community Discussions
3. Can't complete SQL UNIT 2, Lesson 3 - Code seems right, Khan Academy autograder will not accept answer

I just went through that earlier today. After saving and refreshing, it was able to grade it. Your code also seems to check out.