diff --git a/src/ai/api/ai_error.hpp.sq b/src/ai/api/ai_error.hpp.sq
new file mode 100644
--- /dev/null
+++ b/src/ai/api/ai_error.hpp.sq
@@ -0,0 +1,121 @@
+/* $Id$ */
+/* THIS FILE IS AUTO-GENERATED; PLEASE DO NOT ALTER MANUALLY */
+
+#include "ai_error.hpp"
+
+namespace SQConvert {
+	/* Allow enums to be used as Squirrel parameters */
+	template <> AIError::ErrorCategories GetParam(ForceType<AIError::ErrorCategories>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger(vm, index, &tmp); return (AIError::ErrorCategories)tmp; }
+	template <> int Return<AIError::ErrorCategories>(HSQUIRRELVM vm, AIError::ErrorCategories res) { sq_pushinteger(vm, (int32)res); return 1; }
+	template <> AIError::ErrorMessages GetParam(ForceType<AIError::ErrorMessages>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQInteger tmp; sq_getinteger(vm, index, &tmp); return (AIError::ErrorMessages)tmp; }
+	template <> int Return<AIError::ErrorMessages>(HSQUIRRELVM vm, AIError::ErrorMessages res) { sq_pushinteger(vm, (int32)res); return 1; }
+
+	/* Allow AIError to be used as Squirrel parameter */
+	template <> AIError *GetParam(ForceType<AIError *>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AIError *)instance; }
+	template <> AIError &GetParam(ForceType<AIError &>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIError *)instance; }
+	template <> const AIError *GetParam(ForceType<const AIError *>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AIError *)instance; }
+	template <> const AIError &GetParam(ForceType<const AIError &>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIError *)instance; }
+	template <> int Return<AIError *>(HSQUIRRELVM vm, AIError *res) { if (res == NULL) { sq_pushnull(vm); return 1; } res->AddRef(); Squirrel::CreateClassInstanceVM(vm, "AIError", res, NULL, DefSQDestructorCallback<AIError>); return 1; }
+}; // namespace SQConvert
+
+void SQAIError_Register(Squirrel *engine) {
+	DefSQClass <AIError> SQAIError("AIError");
+	SQAIError.PreRegister(engine);
+	SQAIError.AddConstructor<void (AIError::*)(), 1>(engine, "x");
+
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_NONE,                     "ERR_CAT_NONE");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_GENERAL,                  "ERR_CAT_GENERAL");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_VEHICLE,                  "ERR_CAT_VEHICLE");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_STATION,                  "ERR_CAT_STATION");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_BRIDGE,                   "ERR_CAT_BRIDGE");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_TUNNEL,                   "ERR_CAT_TUNNEL");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_TILE,                     "ERR_CAT_TILE");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_SIGN,                     "ERR_CAT_SIGN");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_RAIL,                     "ERR_CAT_RAIL");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_ROAD,                     "ERR_CAT_ROAD");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_ORDER,                    "ERR_CAT_ORDER");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_MARINE,                   "ERR_CAT_MARINE");
+	SQAIError.DefSQConst(engine, AIError::ERR_CAT_BIT_SIZE,                 "ERR_CAT_BIT_SIZE");
+	SQAIError.DefSQConst(engine, AIError::ERR_NONE,                         "ERR_NONE");
+	SQAIError.DefSQConst(engine, AIError::ERR_UNKNOWN,                      "ERR_UNKNOWN");
+	SQAIError.DefSQConst(engine, AIError::ERR_PRECONDITION_FAILED,          "ERR_PRECONDITION_FAILED");
+	SQAIError.DefSQConst(engine, AIError::ERR_PRECONDITION_STRING_TOO_LONG, "ERR_PRECONDITION_STRING_TOO_LONG");
+	SQAIError.DefSQConst(engine, AIError::ERR_NEWGRF_SUPPLIED_ERROR,        "ERR_NEWGRF_SUPPLIED_ERROR");
+	SQAIError.DefSQConst(engine, AIError::ERR_GENERAL_BASE,                 "ERR_GENERAL_BASE");
+	SQAIError.DefSQConst(engine, AIError::ERR_NOT_ENOUGH_CASH,              "ERR_NOT_ENOUGH_CASH");
+	SQAIError.DefSQConst(engine, AIError::ERR_LOCAL_AUTHORITY_REFUSES,      "ERR_LOCAL_AUTHORITY_REFUSES");
+	SQAIError.DefSQConst(engine, AIError::ERR_ALREADY_BUILT,                "ERR_ALREADY_BUILT");
+	SQAIError.DefSQConst(engine, AIError::ERR_AREA_NOT_CLEAR,               "ERR_AREA_NOT_CLEAR");
+	SQAIError.DefSQConst(engine, AIError::ERR_OWNED_BY_ANOTHER_COMPANY,     "ERR_OWNED_BY_ANOTHER_COMPANY");
+	SQAIError.DefSQConst(engine, AIError::ERR_NAME_IS_NOT_UNIQUE,           "ERR_NAME_IS_NOT_UNIQUE");
+	SQAIError.DefSQConst(engine, AIError::ERR_FLAT_LAND_REQUIRED,           "ERR_FLAT_LAND_REQUIRED");
+	SQAIError.DefSQConst(engine, AIError::ERR_LAND_SLOPED_WRONG,            "ERR_LAND_SLOPED_WRONG");
+	SQAIError.DefSQConst(engine, AIError::ERR_VEHICLE_IN_THE_WAY,           "ERR_VEHICLE_IN_THE_WAY");
+	SQAIError.DefSQConst(engine, AIError::ERR_SITE_UNSUITABLE,              "ERR_SITE_UNSUITABLE");
+	SQAIError.DefSQConst(engine, AIError::ERR_TOO_CLOSE_TO_EDGE,            "ERR_TOO_CLOSE_TO_EDGE");
+	SQAIError.DefSQConst(engine, AIError::ERR_STATION_TOO_SPREAD_OUT,       "ERR_STATION_TOO_SPREAD_OUT");
+
+	AIError::RegisterErrorMap(STR_0003_NOT_ENOUGH_CASH_REQUIRES,        AIError::ERR_NOT_ENOUGH_CASH);
+	AIError::RegisterErrorMap(STR_2009_LOCAL_AUTHORITY_REFUSES,         AIError::ERR_LOCAL_AUTHORITY_REFUSES);
+	AIError::RegisterErrorMap(STR_1007_ALREADY_BUILT,                   AIError::ERR_ALREADY_BUILT);
+	AIError::RegisterErrorMap(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST,      AIError::ERR_ALREADY_BUILT);
+	AIError::RegisterErrorMap(STR_2004_BUILDING_MUST_BE_DEMOLISHED,     AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST,      AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_300B_MUST_DEMOLISH_RAILROAD,          AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_300E_MUST_DEMOLISH_AIRPORT_FIRST,     AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_MUST_DEMOLISH_CARGO_TRAM_STATION,     AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_3047_MUST_DEMOLISH_TRUCK_STATION,     AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_MUST_DEMOLISH_PASSENGER_TRAM_STATION, AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_3046_MUST_DEMOLISH_BUS_STATION,       AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_306A_BUOY_IN_THE_WAY,                 AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_304D_MUST_DEMOLISH_DOCK_FIRST,        AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_4800_IN_THE_WAY,                      AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_5804_COMPANY_HEADQUARTERS_IN,         AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_5800_OBJECT_IN_THE_WAY,               AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_1801_MUST_REMOVE_ROAD_FIRST,          AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_1008_MUST_REMOVE_RAILROAD_TRACK,      AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST,      AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_5006_MUST_DEMOLISH_TUNNEL_FIRST,      AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_1002_EXCAVATION_WOULD_DAMAGE,         AIError::ERR_AREA_NOT_CLEAR);
+	AIError::RegisterErrorMap(STR_1024_AREA_IS_OWNED_BY_ANOTHER,        AIError::ERR_OWNED_BY_ANOTHER_COMPANY);
+	AIError::RegisterErrorMap(STR_013B_OWNED_BY,                        AIError::ERR_OWNED_BY_ANOTHER_COMPANY);
+	AIError::RegisterErrorMap(STR_NAME_MUST_BE_UNIQUE,                  AIError::ERR_NAME_IS_NOT_UNIQUE);
+	AIError::RegisterErrorMap(STR_0007_FLAT_LAND_REQUIRED,              AIError::ERR_FLAT_LAND_REQUIRED);
+	AIError::RegisterErrorMap(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION,  AIError::ERR_LAND_SLOPED_WRONG);
+	AIError::RegisterErrorMap(STR_8803_TRAIN_IN_THE_WAY,                AIError::ERR_VEHICLE_IN_THE_WAY);
+	AIError::RegisterErrorMap(STR_9000_ROAD_VEHICLE_IN_THE_WAY,         AIError::ERR_VEHICLE_IN_THE_WAY);
+	AIError::RegisterErrorMap(STR_980E_SHIP_IN_THE_WAY,                 AIError::ERR_VEHICLE_IN_THE_WAY);
+	AIError::RegisterErrorMap(STR_A015_AIRCRAFT_IN_THE_WAY,             AIError::ERR_VEHICLE_IN_THE_WAY);
+	AIError::RegisterErrorMap(STR_0239_SITE_UNSUITABLE,                 AIError::ERR_SITE_UNSUITABLE);
+	AIError::RegisterErrorMap(STR_304B_SITE_UNSUITABLE,                 AIError::ERR_SITE_UNSUITABLE);
+	AIError::RegisterErrorMap(STR_0002_TOO_CLOSE_TO_EDGE_OF_MAP,        AIError::ERR_TOO_CLOSE_TO_EDGE);
+	AIError::RegisterErrorMap(STR_306C_STATION_TOO_SPREAD_OUT,          AIError::ERR_STATION_TOO_SPREAD_OUT);
+
+	AIError::RegisterErrorMapString(AIError::ERR_NONE,                         "ERR_NONE");
+	AIError::RegisterErrorMapString(AIError::ERR_UNKNOWN,                      "ERR_UNKNOWN");
+	AIError::RegisterErrorMapString(AIError::ERR_PRECONDITION_FAILED,          "ERR_PRECONDITION_FAILED");
+	AIError::RegisterErrorMapString(AIError::ERR_PRECONDITION_STRING_TOO_LONG, "ERR_PRECONDITION_STRING_TOO_LONG");
+	AIError::RegisterErrorMapString(AIError::ERR_NEWGRF_SUPPLIED_ERROR,        "ERR_NEWGRF_SUPPLIED_ERROR");
+	AIError::RegisterErrorMapString(AIError::ERR_NOT_ENOUGH_CASH,              "ERR_NOT_ENOUGH_CASH");
+	AIError::RegisterErrorMapString(AIError::ERR_LOCAL_AUTHORITY_REFUSES,      "ERR_LOCAL_AUTHORITY_REFUSES");
+	AIError::RegisterErrorMapString(AIError::ERR_ALREADY_BUILT,                "ERR_ALREADY_BUILT");
+	AIError::RegisterErrorMapString(AIError::ERR_AREA_NOT_CLEAR,               "ERR_AREA_NOT_CLEAR");
+	AIError::RegisterErrorMapString(AIError::ERR_OWNED_BY_ANOTHER_COMPANY,     "ERR_OWNED_BY_ANOTHER_COMPANY");
+	AIError::RegisterErrorMapString(AIError::ERR_NAME_IS_NOT_UNIQUE,           "ERR_NAME_IS_NOT_UNIQUE");
+	AIError::RegisterErrorMapString(AIError::ERR_FLAT_LAND_REQUIRED,           "ERR_FLAT_LAND_REQUIRED");
+	AIError::RegisterErrorMapString(AIError::ERR_LAND_SLOPED_WRONG,            "ERR_LAND_SLOPED_WRONG");
+	AIError::RegisterErrorMapString(AIError::ERR_VEHICLE_IN_THE_WAY,           "ERR_VEHICLE_IN_THE_WAY");
+	AIError::RegisterErrorMapString(AIError::ERR_SITE_UNSUITABLE,              "ERR_SITE_UNSUITABLE");
+	AIError::RegisterErrorMapString(AIError::ERR_TOO_CLOSE_TO_EDGE,            "ERR_TOO_CLOSE_TO_EDGE");
+	AIError::RegisterErrorMapString(AIError::ERR_STATION_TOO_SPREAD_OUT,       "ERR_STATION_TOO_SPREAD_OUT");
+
+	SQAIError.DefSQStaticMethod(engine, &AIError::GetClassName,           "GetClassName",           1, "x");
+	SQAIError.DefSQStaticMethod(engine, &AIError::GetErrorCategory,       "GetErrorCategory",       1, "x");
+	SQAIError.DefSQStaticMethod(engine, &AIError::GetLastError,           "GetLastError",           1, "x");
+	SQAIError.DefSQStaticMethod(engine, &AIError::GetLastErrorString,     "GetLastErrorString",     1, "x");
+	SQAIError.DefSQStaticMethod(engine, &AIError::StringToError,          "StringToError",          2, "xi");
+	SQAIError.DefSQStaticMethod(engine, &AIError::RegisterErrorMap,       "RegisterErrorMap",       3, "xii");
+	SQAIError.DefSQStaticMethod(engine, &AIError::RegisterErrorMapString, "RegisterErrorMapString", 3, "xis");
+
+	SQAIError.PostRegister(engine);
+}