This is the most searched issue regarding the keyword. After installing an update (specifically v1.1.8 or v1.2.0), many users report the game loading to a black screen or freezing on the "Initializing Workshop" screen.
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| Error Code | Cause | Fix | | :--- | :--- | :--- | | | Corrupted NSP due to bad SD card. | Run h2testw on your SD card. Reinstall firmware. | | 2123-0011 | Invalid ticket for DLC (ESA fails). | Delete the game ticket in Tinfoil → Tickets → Find 0100391... → Delete Ticket. Reinstall DLC NSP. | | 2168-0002 | Missing a dependency from the update. | You installed Update v1.2.0 without Base v0. Uninstall everything, install Base first, then Update. | | Save Data Conflict | "Save data is from a newer version of the software." | You attempted to downgrade. You cannot. Delete save data (JKSV backup first) and start over. | This is the most searched issue regarding the keyword
If the game runs fine for 30 minutes then crashes, you have the memory leak bug present in updates post-v1.1.6. Downgrade to Update v1.1.6. If you need newer DLC, you cannot downgrade. Instead, after every 3 completed jobs, save manually (X button) and close the software completely. Re-launch to reset the memory pool. This link or copies made by others cannot be deleted
The most stable release is the base game combined with the Update v1.1.6 (v196608) . Later updates (v1.2.0+) tend to introduce memory leak issues on Switch hardware.
: If the content is missing, navigate to your Nintendo eShop profile and check the Redownload section . Sometimes a fresh download is all that's needed to re-register the licenses.
To fix the PC Building Simulator Switch NSP DLC update issue, try the following steps: