Another danmakufu error

#TouhouDanmakufu[Single]
#ScriptVersion[3]
#Title["Test 2"]
#Text["Boss collision, movement and firing"]

let bossObj;
let bossX = 0;
let bossY = 0;
let imgBoss = GetCurrentScriptDirectory ~ "shikieiki.png.png";

#include "script/default_system/Default_ShotConst.txt"

@Initialize {

	// define a boss in bossObj and register it
	bossObj = ObjEnemy_Create(OBJ_ENEMY_BOSS);
	ObjEnemy_Regist(bossObj);

	// Warp the boss to this location when loaded
	ObjMove_SetPosition(bossObj,192,-100);

	// move boss to desired x y location at desired speed
	ObjMove_SetDestAtSpeed(bossObj,192,120,5);

	mainTask;  	// run mainTask
}

@Event {
	// setting the boss timer and life
	alternative(GetEventType())
	case(EV_REQUEST_LIFE) {
		SetScriptResult(2000);
	}
	case(EV_REQUEST_TIMER) {
		SetScriptResult(45);
	}
                    case(EV_REQUEST_SPELL_SCORE){
                                        SetScriptResult(1000000)
}

@MainLoop {
	bossX = ObjMove_GetX(bossObj);
	bossY = ObjMove_GetY(bossObj);

	// collision for the shots and player
	ObjEnemy_SetIntersectionCircleToShot(bossObj,bossX,bossY,24);
	ObjEnemy_SetIntersectionCircleToPlayer(bossObj,bossX,bossY,32);

	yield;
}

@Finalize {
       while(ObjEnemy_GetInfo(objBoss, INFO_LIFE) > 0){yield;}
    if(ObjEnemyBossScene_GetInfo(objScene, INFO_PLAYER_SHOOTDOWN_COUNT)
            +ObjEnemyBossScene_GetInfo(objScene, INFO_PLAYER_SPELL_COUNT) == 0){
        AddScore(ObjEnemyBossScene_GetInfo(objScene, INFO_SPELL_SCORE));
}

// your best friend, forever.
function wait(w) { loop(w) { yield; } }

task mainTask {
                    fire;
	renderBoss;
	movement;
}

task renderBoss {
	let dir;
	let speed;

	// texture the boss, set centre as true centre.
	ObjPrim_SetTexture(bossObj,imgBoss);
	ObjSprite2D_SetSourceRect(bossObj,0,0,148,125);
	ObjSprite2D_SetDestCenter(bossObj);
	ObjRender_SetScaleXYZ(bossObj,0.7,0.7,0);

	while(!Obj_IsDeleted(bossObj)) {

		// update boss speed and direction locally
		dir = ObjMove_GetAngle(bossObj);
		speed = ObjMove_GetSpeed(bossObj);

		// if the boss is idle, show this image/rect
		if(speed == 0) { ObjSprite2D_SetSourceRect(bossObj,0,0,148,125); ObjRender_SetAngleXYZ(bossObj,0,0,0); }

	// boss holding location
		else if(cos(dir) < 0) { ObjSprite2D_SetSourceRect(bossObj,0,0,148,125); ObjRender_SetAngleXYZ(bossObj,0,0,0); }

// boss moving to the left
		else if(cos(dir) > 0) { ObjSprite2D_SetSourceRect(bossObj,0,0,148,125); ObjRender_SetAngleXYZ(bossObj,0,180,0); }

// boss moving to the right

		yield;
	}

}

task movement {
	wait(60);
	fire;
	wait(30);
	loop {
		ObjMove_SetDestAtSpeed(bossObj,100,120,5);		// move to the left
		wait(45);
		fire;
		wait(30);
		ObjMove_SetDestAtSpeed(bossObj,280,120,5);		// move to the right
		wait(45);
		fire;
		wait(30);
	}
}

function angleToPlayer {
	let dir = atan2(GetPlayerY-bossY,GetPlayerX-bossX);
	return dir;
}

task fire {
	while(ObjEnemy_GetInfo(bossObj, INFO_LIFE) > 0){
        let angleT = GetAngleToPlayer(bossObj);
        loop(20){
            ascent(i in 0..1){
                CreateShotA1(ObjMove_GetX(bossObj), ObjMove_GetY(bossObj), 3 - i/3, angleT, DS_BALL_L_SKY + i, 20);
            }
            angleT += 360/ 15;
        }
        wait(60);
	}
}