Ok.. thought I'd tried a narrowed down version on this but by removing everything vehicle related it now loads. I'll do more elimination work here tonight.
This is the full list that works with the SE version of early spider but not the plain labeled early spider.
Full list:
"name": "base",
"name": "aai-containers",
"name": "aai-industry",
"name": "aai-signal-transmission",
"name": "aai-signals",
"name": "aai-vehicles-flame-tumbler",
"name": "aai-vehicles-ironclad",
"name": "AdvancedArtilleryRemotesContinued",
"name": "AfraidOfTheDark",
"name": "Aircraft",
"name": "alien-biomes",
"name": "AutoDeconstruct",
"name": "AutoTrash",
"name": "beatrix",
"name": "beautiful_bridge_railway",
"name": "blueprint-sandboxes",
"name": "CleanedConcrete",
"name": "combat-mechanics-overhaul",
"name": "Constructron-Continued",
"name": "cybersyn",
"name": "cybersyn-combinator",
"name": "equipment-gantry",
"name": "even-distribution",
"name": "factoryplanner",
"name": "FactorySearch",
"name": "flib",
"name": "GhostOnWater",
"name": "Infinizoom",
"name": "informatron",
"name": "InserterFuelLeech",
"name": "Inventory Sensor",
"name": "jetpack",
"name": "Krastorio2",
"name": "Krastorio2Assets",
"name": "logistics_requests_sorted",
"name": "manual-inventory-sort",
"name": "manual-trains-at-temp-stops",
"name": "Milestones",
"name": "miniloader",
"name": "mining-patch-planner",
"name": "ModuleInserterEx",
"name": "ModuleInserterSimplified",
"name": "nice-try-train",
"name": "OreEraserContinued",
"name": "PickerDollies",
"name": "power-grid-comb",
"name": "production-monitor",
"name": "pump",
"name": "RecipeBook",
"name": "resourcehighlighter-dark",
"name": "Robot256Lib",
"name": "robot_attrition",
"name": "rocket-log",
"name": "safefill",
"name": "SantasNixieTubeDisplay",
"name": "se-earlier-spidertron",
"name": "se-space-trains",
"name": "SE_smooth_ship_walls",
"name": "shield-projector",
"name": "simhelper",
"name": "solar-calc",
"name": "space-exploration",
"name": "space-exploration-graphics",
"name": "space-exploration-graphics-2",
"name": "space-exploration-graphics-3",
"name": "space-exploration-graphics-4",
"name": "space-exploration-graphics-5",
"name": "space-exploration-menu-simulations",
"name": "space-exploration-postprocess",
"name": "space-spidertron",
"name": "spidertron-dock",
"name": "spidertron-extended",
"name": "Squeak Through",
"name": "stdlib",
"name": "TA-Miners-SE-Patch",
"name": "textplates",
"name": "Todo-List",
"name": "VehicleSnap",
"name": "VehicleWagon2",
"name": "WipMod_TA-miners",