Sims 4 Last Exception

<?xml version="1.0" ?><root>
<report><version>2</version><sessionid>e2e0fd786c4c7e785b9fe22b</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2018-09-17 14:20:04</createtime><buildsignature>Local.Unknown.Unknown.1.46.18.1020-1.200.000.364.Release</buildsignature><categoryid>plex_service.py:144</categoryid><desyncid>e2e0fd786c4c7e785b9fe22b</desyncid><systemconfig/><screenshot/><desyncdata>Exception in Sim Timeline: Exception running Element (TypeError: an integer is required (got type NoneType))&#13;&#10;Traceback (most recent call last):&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\scheduling.py", line 212, in simulate&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\alarms.py", line 293, in _run&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\apartments\apartment_zone_director.py", line 73, in &lt;lambda&gt;&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\apartments\apartment_zone_director.py", line 135, in _run_common_area_cleanup&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\situations\se