And then he saw it.
Always check for updates for major script mods like MC Command Center or UI Cheats Extension. Repair the Game Files And then he saw it
The "Unable to start: There was an error processing the startup configuration script" error in The Sims 4 is caused by corrupted user data or conflicts with graphics configuration files, often triggered by outdated mods. Immediate fixes involve removing files from the ConfigOverride If the above fixes fail, the last resort
A low, vibrating hum filled the air—the sound of a user scrolling through menus. Elias felt a strange sensation in his chest, like a hook had latched onto his soul. If the above fixes fail
Move your Mods folder from Documents\Electronic Arts\The Sims 4 to your desktop.
If the above fixes fail, the last resort is switching to the (third-party tools like OriginWorkaround – not officially supported but widely used) or playing via Steam + EA App link , which bypasses the faulty script handler. Otherwise, waiting for an EA App update is the only passive solution.