All three kids show CPP overpayment (over $750) but no one paid that much

All three of my kids get the following warning in the warnings:

 

"Your CPP/QPP or EI overpayment is greater than $750.00. Please verify your information slips and all related entries."

 

But no one even paid $750, one only paid $96.

Thought this might have been taken care of in an update, but no fix yet, and we have verified the T-slips.

Any suggestions?