When checking out boarding pets, Kennel Connection is adding additional days to the number of days boarded. It seems to add to random number of days. It can be as much as 10, 20, or more extra days.
This is caused by board settings not being correct.
Click on File, System Options, Boarding tab, Boarding Settings tab, Miscellaneous Settings and Extra charge Settings tabs.
Make sure "Day" is not checked for the "Charge" and "Include extra" options.
For example, in the first line, we want to add an extra $10 but we have day checked. KC will add an additional 10 days of boarding to the invoice.