Can someone please explain what this LastCrash txt means

 File "T:\InGame\Gameplay\Scripts\Server\scheduling.py", line 212, in simulate
 

<?xml version="1.0" ?><root>
<report><version>2</version><sessionid>cfd274a4d0d778c65aa6ca3e</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2018-03-12 19:00:10</createtime><buildsignature>Local.Unknown.Unknown.1.41.38.1020-1.200.000.330.Release</buildsignature><categoryid>posture_state.py:148</categoryid><desyncid>cfd274a4d0d778c65aa6ca3e</desyncid><systemconfig/><screenshot/><desyncdata>Exception in Sim Timeline: Exception running Element (KeyError: 'spec_carry_target PostureSpecVariable.CARRY_TARGET not in var_map:{HAND: (&lt;Hand.LEFT = 1&gt;,)}')&#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\carry\carry_sim_posture.py", line 133, in _start_carried_linked_posture_gen&#13;&#10; File "T:\InGame\Gameplay\Scripts\Server\carry\carry_sim_posture.py", line 118, in set_target_linked_posture_data&#13;&#10; File "T:\InGame\Gameplay\Scripts\Server\postures\posture_state.py", line 148, in __init__&#13;&#10;KeyError: 'spec_carry_target PostureSpecVariable.CARRY_TARGET not in var_map:{HAND: (&lt;Hand.LEFT = 1&gt;,)}'&#13;&#10;</desyncdata></report>
</root>

the toddler just blow out the candles and now i can't see me sim on the portrait or see the buffs they have disappeared