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Anyone who encounter this client info not provided?

I do. I called the IRCC and made sure I did not miss anything. I told them I sent everything they wanted me to update and the agent told me that it could be just a glitch and nothing to worry about. Hence, I suggest you call them too just to confirm that you did not miss anything too.
 
I reported it too as a technical issue and it popped right back up, so when I uploaded the client information was when I received an email saying, we have received your documents.
What is the client information that you uploaded? thank you