Just started to see this as a popup window today and was curious if this is a Jamf error on a Macbook client.

Assertion failed in mdmclient [5372]
Object is wrong type.  Expected: NSNumber  Got: __NSCFString  From: (
    0   mdmclient                           0x000000010982ae89 mdmclient + 40585
    1   mdmclient                           0

goes down to 17

heading to google it now but usually hit up the nation 1st since these answers tend to be better.