My script - errors

#TouhouDanmakufu
#Title[try to spin]
#Text[just a tutorial to present it]
#Player[FREE]
#ScriptVersion[2]

script_enemy_main{

        let CSD = GetCurrentScriptDirectory;

        let imgBoss = CSD ~ "img\Sprite.png";
        let cut = CSD ~ "img\Cut.png";
        let bg = CSD ~ "img\lake.png";
        let bgm = CSD ~ "bmg\Legendary Illusion ~ Infinite Being.mp3";
        let angle =0;
        let angleAcc = 0;
        let frame=0;
        let time= 0;
	@Initialize{
		SetLife(1000);
                SetTimer(60);
                SetScore(2000);
		SetMovePosition01(GetCenterX,120,5);

                LoadGraphic(imgBoss);
                LoadGraphic(cut);
                LoadGraphic(bg);
                LoadMusic(bgm);
                PlayMusic(bgm);

                CutIn(YOUMU,"Scripting like a Cirno - Easy -",cut,0,0,300,450);

		mainTask;
	}

	@MainLoop{
                SetCollisionA(GetX,GetY,32);
                SetCollisionB(GetX,GetY,16);





	}

	@DrawLoop{

                SetTexture(imgBoss);
                SetRenderState(ALPHA);
                SetAlpha(255);
                SetGraphicRect(0,0,110,110);
                SetGraphicScale(1,1);
                SetGraphicAngle(0,0,0);
                DrawGraphic(GetX,GetY);
	}

	@BackGround{

                SetTexture(bg);
                SetRenderState(ALPHA);
                SetAlpha(255);
                SetGraphicRect(0,0,512,512);
                SetGraphicScale(1,1);
                SetGraphicAngle(0,0,0);
                DrawGraphic(GetCenterX,GetCenterY);

	}

	@Finalize{

                DeleteGraphic(imgBoss);
                DeleteGraphic(cut);
                DeleteGraphic(bg);

	}



	task mainTask{
		loop{ 				//this loop runs infinitely
		fire1;				//starts at frame 0
		loop(1000){yield;}	//waits 1000 frames, or almost 17 seconds
		fire2;				//starts at frame 1000
		loop(1000){yield;}	//waits 1000 frames
		fire3;				//starts at frame 2000
		loop(1000){yield;}	//waits 1000 frames
	}					//once you're done, go back to the loop beginning


        }


	task fire1{








			CreateShot01(GetX, GetY, 3, angle, BLUE12, 0);
                        CreateShot01(GetX, GetY, 3, -angle, RED12, 0);
                        angle += 360/300;
			angle += angleAcc;
		        angleAcc += 3;










		}

          task fire2{








			CreateShot01(GetX, GetY, 3, angle, BLUE12, 0);
                        CreateShot01(GetX, GetY, 3, -angle, RED12, 0);
                        angle += 360/300;
			angle += angleAcc;
		        angleAcc += 0.3;





            }
task fire3{








			CreateShot01(GetX, GetY, 3, angle, BLUE12, 0);
                        CreateShot01(GetX, GetY, 3, -angle, RED12, 0);
                        angle += 360/300;
			angle += angleAcc;
		        angleAcc += 0.8;





            }





	function wait(w){
		loop(w){yield;}
	}


}