It seems to be an error in the /core/tracker/DB/mysqli.php
while($row = mysqli_fetch_array($rs, MYSQL_ASSOC))
should be
while($row = mysqli_fetch_array($rs, MYSQLI_ASSOC))
or
while($row = mysqli_fetch_assoc($rs))
also on line 162
It seems to be an error in the /core/tracker/DB/mysqli.php
while($row = mysqli_fetch_array($rs, MYSQL_ASSOC))
should be
while($row = mysqli_fetch_array($rs, MYSQLI_ASSOC))
or
while($row = mysqli_fetch_assoc($rs))
also on line 162
Thanks, this is now fixed in r2384.