Note: English is not my native language. I analyzed my LastException files with an AI assistant, and it helped me compile the following bug report based on our findings.
Product: The Sims 4 Platfor...
Ideas
Hi, thank you so much for looking into this!
Here are the complete LastException files as requested. I have included three logs that demonstrate the chain of events:
1. The Original Ladder Error
[spoiler] <?xml version="1.0" ?><root>
<report><version>2</version><sessionid>5a12e049dc23aa1669846028</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2026-02-05 20:03:55</createtime><buildsignature>Local.Unknown.Unknown.1.121.342.1030-1.200.000.692.Release</buildsignature><categoryid>build_ladders_mixin.py:91</categoryid><desyncid>5a12e049dc23aa1669846028</desyncid><systemconfig/><screenshot/><desyncdata>Exception in <function buildbuy_session_end at 0x00007FF4AFF2FB00>, args: (468958090960767119,), kwargs: {} RuntimeError('Unable to acquire ladder data for objID 468958090961684634.') (RuntimeError: Unable to acquire ladder data for objID 468958090961684634.) Traceback (most recent call last): File "T:\InGame\Gameplay\Scripts\Server\routing\__init__.py", line 1151, in c_api_navmesh_fence_callback File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 183, in wrapper File "T:\InGame\Gameplay\Scripts\Server\build_buy.py", line 1194, in buildbuy_session_end File "T:\InGame\Gameplay\Scripts\Server\objects\components\__init__.py", line 98, in wrapped_method File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 163, in on_buildbuy_exit File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 192, in _refresh_portals File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 311, in _add_portals File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 330, in _add_portal_internal File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_data.py", line 538, in get_portal_instances File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_data_build_ladders.py", line 30, in get_portal_locations File "T:\InGame\Gameplay\Scripts\Server\routing\portals\build_ladders_mixin.py", line 100, in _get_ladder_portal_locations File "T:\InGame\Gameplay\Scripts\Server\routing\portals\build_ladders_mixin.py", line 91, in _get_blocked_alignment_flags RuntimeError: Unable to acquire ladder data for objID 468958090961684634.rtim=0 Client Session Time: 4249.23 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0xbe7da869 Game Sub-state: 0xae03c339 LoadingScreenActiveFlag: 0 Origin Version: 13,631,0,6144 Modded: False SystemInfo: Windows 11 10.0.26200 GPU: NVIDIA GeForce RTX 3060 Laptop GPU nvldumdx.dll 32.0.15.9174, GUID: D7B71E3E-6660-11CF-2550-533A0EC2ED35 </desyncdata></report>
</root> [/spoiler]
2. The Ladder Error Verified on a new save (different PC)
[spoiler]
<?xml version="1.0" ?><root>
<report><version>2</version><sessionid>fa1ed618fb98b557698479fc</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2026-02-05 20:49:41</createtime><buildsignature>Local.Unknown.Unknown.1.120.140.1020-1.300.000.230.Release</buildsignature><categoryid>build_ladders_mixin.py:91</categoryid><desyncid>fa1ed618fb98b557698479fc</desyncid><systemconfig/><screenshot/><desyncdata>Exception in <function buildbuy_session_end at 0x00007FF4B1AE34D0>, args: (468958090960767119,), kwargs: {} RuntimeError('Unable to acquire ladder data for objID 468958090961684634.') (RuntimeError: Unable to acquire ladder data for objID 468958090961684634.) Traceback (most recent call last): File "T:\InGame\Gameplay\Scripts\Server\routing\__init__.py", line 1151, in c_api_navmesh_fence_callback File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 183, in wrapper File "T:\InGame\Gameplay\Scripts\Server\build_buy.py", line 1179, in buildbuy_session_end File "T:\InGame\Gameplay\Scripts\Server\objects\components\__init__.py", line 98, in wrapped_method File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 139, in on_buildbuy_exit File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 168, in _refresh_portals File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 287, in _add_portals File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_component.py", line 306, in _add_portal_internal File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_data.py", line 537, in get_portal_instances File "T:\InGame\Gameplay\Scripts\Server\routing\portals\portal_data_build_ladders.py", line 30, in get_portal_locations File "T:\InGame\Gameplay\Scripts\Server\routing\portals\build_ladders_mixin.py", line 100, in _get_ladder_portal_locations File "T:\InGame\Gameplay\Scripts\Server\routing\portals\build_ladders_mixin.py", line 91, in _get_blocked_alignment_flags RuntimeError: Unable to acquire ladder data for objID 468958090961684634.rtim=0 Client Session Time: 54.43 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0x96d01090 LoadingScreenActiveFlag: 1 Origin Version: 13,631,0,6144 Modded: False SystemInfo: Windows 10 10.0.19045 GPU: Intel(R) HD Graphics 4600 20.19.15.5070, GUID: BB158BB9-27D9-11EE-BE91-DFDAF3A3DE8C </desyncdata></report>
</root>
[/spoiler]
3. The resulting Zone ID Conflict
[spoiler]
<?xml version="1.0" ?><root>
<report><version>2</version><sessionid>64226f2c1e3ca3a69827ce0</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2026-02-04 11:15:06</createtime><buildsignature>Local.Unknown.Unknown.1.121.342.1030-1.200.000.692.Release</buildsignature><categoryid>zone_manager.py:64</categoryid><desyncid>64226f2c1e3ca3a69827ce0</desyncid><systemconfig/><screenshot/><desyncdata>Exception in <function c_api_zone_init at 0x00007FF4A4CD4320>, args: (656406934551266924, 4034911840, 'EP03_fashionDistrict_01', <built-in method set_game_time of NoneType object at 0x000000002CC07960>), kwargs: {} RuntimeError('Attempting to set _zone_id to 656406934551266924 when its already set 613622717113175144.') (RuntimeError: Attempting to set _zone_id to 656406934551266924 when its already set 613622717113175144.) Traceback (most recent call last): File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 157, in wrapper File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 183, in wrapper File "T:\InGame\Gameplay\Scripts\Server\areaserver.py", line 264, in c_api_zone_init File "T:\InGame\Gameplay\Scripts\Server\zone_manager.py", line 64, in create_zone RuntimeError: Attempting to set _zone_id to 656406934551266924 when its already set 613622717113175144.rtim=0 Client Session Time: 8081.68 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0xd9016c91 LoadingScreenActiveFlag: 0 Origin Version: 13,631,0,6144 Modded: False SystemInfo: Windows 11 10.0.26200 GPU: NVIDIA GeForce RTX 3060 Laptop GPU nvldumdx.dll 32.0.15.9174, GUID: D7B71E3E-6660-11CF-2550-533A0EC2ED35 </desyncdata></report>
<report><version>2</version><sessionid>64226f2c1e3ca3a69827ce0</sessionid><type>desync</type><sku>ea.maxis.sims4_64.15.pc</sku><createtime>2026-02-04 11:15:06</createtime><buildsignature>Local.Unknown.Unknown.1.121.342.1030-1.200.000.692.Release</buildsignature><categoryid>indexed_manager.py:236</categoryid><desyncid>64226f2c1e3ca3a69827ce0</desyncid><systemconfig/><screenshot/><desyncdata>Exception in <function c_api_zone_shutdown at 0x00007FF4A4CD4710>, args: (656406934551266924, <built-in method zone_shutdown_completed of NoneType object at 0x000000002CC07960>), kwargs: {} AttributeError("'NoneType' object has no attribute 'id'") (AttributeError: 'NoneType' object has no attribute 'id') Traceback (most recent call last): File "T:\InGame\Gameplay\Scripts\Server\areaserver.py", line 130, in wrapped File "T:\InGame\Gameplay\Scripts\Server\areaserver.py", line 126, in finally_wrap File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 157, in wrapper File "T:\InGame\Gameplay\Scripts\Core\sims4\utils.py", line 183, in wrapper File "T:\InGame\Gameplay\Scripts\Server\areaserver.py", line 318, in c_api_zone_shutdown File "T:\InGame\Gameplay\Scripts\Server\zone_manager.py", line 88, in remove_id File "T:\InGame\Gameplay\Scripts\Server\indexed_manager.py", line 219, in remove_id File "T:\InGame\Gameplay\Scripts\Server\indexed_manager.py", line 236, in remove AttributeError: 'NoneType' object has no attribute 'id'rtim=0 Client Session Time: 8081.68 Num Save Errors: 0 Num Load Errors: 0 Current Game State: 0xd9016c91 LoadingScreenActiveFlag: 0 Origin Version: 13,631,0,6144 Modded: False SystemInfo: Windows 11 10.0.26200 GPU: NVIDIA GeForce RTX 3060 Laptop GPU nvldumdx.dll 32.0.15.9174, GUID: D7B71E3E-6660-11CF-2550-533A0EC2ED35 </desyncdata></report>
</root> [/spoiler]
Could you provide a save too ? Thanks.
Hi, thanks for following up!
I have uploaded TWO separate save files (.save) to help you analyze the progression of this corruption. Both are new vanilla test saves (No Mods/CC).
Download Link (Google Drive Folder)
Here is the breakdown of the two files:
1. The Active Glitch (Slot_0009999d.save)
State: The "Ghost Ladder" is currently active on the lot.
Error Code: Build Mode works, but entering Live Mode on this lot triggers Error Code: 132:cf5a3894:414d5db1.
CRITICAL OBSERVATION (See attached screenshot): I discovered that in this save, I can now move the ladder and overlap it with a bed WITHOUT using bb.moveobjects. When I touch it, the refund (+§96) triggers immediately (implying a sale), but the ladder visually stays and loses all collision detection. This confirms the game logic thinks the item is gone, while the visual client disagrees.
2. The Corrupted Remnant (Slot_0009999e.save)
State: In this save, I placed the lot from my Library. I had already removed the glitched ladder BEFORE saving the lot to the Library.
Error Code: The lot can be placed in Build Mode, but attempting to enter Live Mode triggers Error Code: 132:2fff4d2:8f8575ff.
Result: Even though I placed a version of the house where the ladder was already removed, the Lot Data remains permanently corrupted. The game triggers the error immediately upon trying to play, proving that the corruption is embedded in the lot data itself and persists even after the object is deleted.
These files and the screenshot demonstrate a complete desynchronization between the game's logic layer and visual layer.
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