Hello,
since the latest patch 1.113.277 I receive a LE (see below). I don't know what triggers it. I have completely disabled my mods and it still appears.

The whole thing happens when I load a household and then go to manage worlds.
The LE is only an snippet, it is reported several times.

LastException

<report><version>2</version><sessionid>33148366f38ad77567be4258</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2025-02-25 23:23:04</createtime><buildsignature>Local.Unknown.Unknown.1.113.277.1030-1.200.000.652.Release</buildsignature><categoryid>cpp_message.py:613</categoryid><desyncid>33148366f38ad77567be4258</desyncid><systemconfig/><screenshot/><desyncdata>Exception occurred while attempting to populate a repeated field: (EncodeError: Message is missing required fields: [b'accountid'])
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 219, in c_api_server_tick
 File "T:\InGame\Gameplay\Scripts\Server\scheduling.py", line 231, in simulate
 File "T:\InGame\Gameplay\Scripts\Server\elements.py", line 376, in _run
 File "T:\InGame\Gameplay\Scripts\Server\services\persistence_service.py", line 452, in call_save_game_gen
 File "T:\InGame\Gameplay\Scripts\Server\areaserver.py", line 452, in request_client_disconnect_gen
 File "T:\InGame\Gameplay\Scripts\Server\services\persistence_service.py", line 468, in save_to_scratch_slot_gen
 File "T:\InGame\Gameplay\Scripts\Server\services\persistence_service.py", line 489, in save_game_gen
 File "T:\InGame\Gameplay\Scripts\Server\services\persistence_service.py", line 534, in _save_game_gen
 File "T:\InGame\Gameplay\Scripts\Server\services\persistence_service.py", line 603, in _fill_and_send_save_game_protobufs_gen
 File "T:\InGame\Gameplay\Scripts\Core\sims4\service_manager.py", line 537, in save_all_services
 File "T:\InGame\Gameplay\Scripts\Server\zone_manager.py", line 120, in save
 File "T:\InGame\Gameplay\Scripts\Server\zone.py", line 1773, in save_zone
 File "T:\InGame\Gameplay\Scripts\Server\game_services.py", line 50, in save_all_services
 File "T:\InGame\Gameplay\Scripts\Core\sims4\service_manager.py", line 537, in save_all_services
 File "T:\InGame\Gameplay\Scripts\Server\services\matchmaking_service.py", line 1385, in save
 File "T:\InGame\Gameplay\Scripts\Core\google\protobuf\internal\cpp_message.py", line 613, in SerializeToString
google.protobuf.message.EncodeError: Message is missing required fields: [b'accountid']rtim=0
Client Session Time: 19.00 
Num Save Errors: 0 
Num Load Errors: 0 
Current Game State: 0x96d01090 
LoadingScreenActiveFlag: 1 
Origin Version: 13,401,0,5914 
Modded: False 
SystemInfo: Windows 10 10.0.19045 GPU: NVIDIA GeForce RTX 4060 nvldumdx.dll 32.0.15.7247, GUID: D7B71E3E-6BC2-11CF-9D6B-6E710EC2ED35 
</desyncdata></report>

Ideas

Unknown reason a LE appears