In the coordinated access module, the columns where it is calculating homeless days (i.e. homelessdaysin365) are calculating based on the housing status changes. When a client has duplicated status changes like this, the days are being double-counted.
So for example, if a hypothetical client first became chronically homeless January 1, and was still chronically homeless today (i.e. no changes in between), and this bug appeared and caused a new record to appear every day, then the total number of days homeless in the last year would look like this:
Jan 1 - Jun 1 = 151 days
Jan 1 - Jun 2 = 152 days
Jan 1 - Jun 3 = 153 days
Jan 1 - Jun 4 = 154 days
and so on, but the point is they all add together. So far we're at 598 days in the last year. But I believe it also might cap it logically at you can't be homeless for more than 365 days in a year.
See Chronic Homelessness Mismatch