Technical Problem: All my sims computers gone and when i try to buy one i got last exception error :-(

[Pawelk198604]

<?xml version="1.0" ?><root>
<report><version>2</version><sessionid>9823cc35913676775cfc5c55</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2019-06-09 03:34:41</createtime><buildsignature>Local.Unknown.Unknown.1.51.77.1020-1.200.000.389.Release</buildsignature><categoryid>test_based_score_threshold.py:41</categoryid><desyncid>9823cc35913676775cfc5c55</desyncid><systemconfig/><screenshot/><desyncdata>Exception in Sim Timeline: Exception running Element (AttributeError: 'NoneType' object has no attribute 'get_score')&#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\elements.py", line 376, in _run&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\interactions\utils\outcome.py", line 276, in _do&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\interactions\utils\outcome.py", line 728, in decide&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\tunable_multiplier.py", line 161, in get_multiplier&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\tunable_multiplier.py", line 151, in get_multiplier_and_tooltip&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\event_testing\tests.py", line 398, in run_tests&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\event_testing\resolver.py", line 129, in __call__&#13;&#10;  File "T:\InGame\Gameplay\Scripts\Server\event_testing\test_based_score_threshold.py", line 41, in __call__&#13;&#10;AttributeError: 'NoneType' object has no attribute 'get_score'&#13;&#10;rtim=0</desyncdata></report>
</root>

 

Where is the problem?