Last Exception Caught by MCCC

hi! every time i start playing with a sim, a last exception pops up once it loads:


2d0347983af37e1cc5b754535desyncea.maxis.sims4.15.mac2018-08-16 10:44:17Local.Unknown.Unknown.1.45.62.1220-1.200.000.360.Releasetunable.py:2171d0347983af37e1cc5b754535 Caught exception loading reference. RefName: 139748 Manager: InstanceManager_interaction. TunableReference is set to a value that is not allowed by its class restriction. (ValueError: TunableReference is set to a value that is not allowed by its class restriction.) Traceback (most recent call last): File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 179, in wrapper File "T:\InGame\Gameplay\Scripts\Server\areaserver.py", line 150, in c_api_server_init_tick File "T:\InGame\Gameplay\Scripts\Core\sims4\core_services.py", line 164, in start_service_tick File "T:\InGame\Gameplay\Scripts\Core\sims4\service_manager.py", line 335, in start_single_service File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\instance_manager.py", line 104, in update_incremental_start File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\instance_manager.py", line 144, in _execute_gen File ".\mc_utils.py", line 115, in _wrapper_function File ".\mc_injections.py", line 252, in inject_load_data_into_class_instances File "C:\Sims\Projects\sims4mods\Custom\s4studio_accessories\Scripts\s4studio_accessories\__init__.py", line 201, in wrap_function File "C:\Sims\Projects\sims4mods\Custom\s4studio_accessories\Scripts\s4studio_accessories\__init__.py", line 215, in add_accessory_tunings File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\instance_manager.py", line 433, in load_data_into_class_instances File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 658, in load_from_xml File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 703, in feed File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 747, in _load_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 796, in _load_tunable File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1188, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1188, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 820, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 371, in load_etree_node File "T:\InGame\Gameplay\Scripts\Server\event_testing\tests.py", line 412, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1188, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 820, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 371, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 2184, in load_etree_node File ".\mc_utils.py", line 115, in _wrapper_function File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 2171, in load_etree_node ValueError: TunableReference is set to a value that is not allowed by its class restriction.
2d0347983af37e1cc5b754535desyncea.maxis.sims4.15.mac2018-08-16 10:44:17Local.Unknown.Unknown.1.45.62.1220-1.200.000.360.Releasetunable.py:2171d0347983af37e1cc5b754535 Caught exception loading reference. RefName: 139748 Manager: InstanceManager_interaction. TunableReference is set to a value that is not allowed by its class restriction. (ValueError: TunableReference is set to a value that is not allowed by its class restriction.) Traceback (most recent call last): File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 179, in wrapper File "T:\InGame\Gameplay\Scripts\Server\areaserver.py", line 150, in c_api_server_init_tick File "T:\InGame\Gameplay\Scripts\Core\sims4\core_services.py", line 164, in start_service_tick File "T:\InGame\Gameplay\Scripts\Core\sims4\service_manager.py", line 335, in start_single_service File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\instance_manager.py", line 104, in update_incremental_start File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\instance_manager.py", line 144, in _execute_gen File ".\mc_utils.py", line 115, in _wrapper_function File ".\mc_injections.py", line 252, in inject_load_data_into_class_instances File "C:\Sims\Projects\sims4mods\Custom\s4studio_accessories\Scripts\s4studio_accessories\__init__.py", line 201, in wrap_function File "C:\Sims\Projects\sims4mods\Custom\s4studio_accessories\Scripts\s4studio_accessories\__init__.py", line 215, in add_accessory_tunings File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\instance_manager.py", line 433, in load_data_into_class_instances File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 658, in load_from_xml File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 703, in feed File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 747, in _load_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\serialization.py", line 796, in _load_tunable File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1188, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1188, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 820, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 371, in load_etree_node File "T:\InGame\Gameplay\Scripts\Server\event_testing\tests.py", line 412, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1188, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 820, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 371, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 1429, in load_etree_node File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 2184, in load_etree_node File ".\mc_utils.py", line 115, in _wrapper_function File "T:\InGame\Gameplay\Scripts\Core\sims4\tuning\tunable.py", line 2171, in load_etree_node ValueError: TunableReference is set to a value that is not allowed by its class restriction.


can someone please help me? i'm really bad at trying to understand what it's trying to say. any help will me much appreciated :) (i'm on a mac)