DEPENDENTS

My son, who is 24, still lives at home, going to school full time and I pay all his expenses.  He did make more than $4,200.00 in 2019.  The information I have been reading says that even if my son made more than $4,200.00 in 2019 since I pay all his expenses, lodging, etc., I can still claim him as a dependent.  When asked in Turbo Tax while completing my return if my son makes more than $4,200.00 and I answer yes, I can't get past the message "you can't claim your son as a dependent."  Can anyone shed light on this for me?