"The Skulls of ADLAZ" quest

I'm playing the quest "The Skulls of ADLAZ" by POPS and I'm after the "Blaster' and while going thru the maze I get to the warp that takes me to the "wall maze" just west of the Blaster shop and once I go thru this warp you can not go back to the east. It's frozen. You can go North South or West as far as you want or can but you can't go east so the blaster is not reachable. Is this a bug or is there another way to the blaster.

I tried to play this quest a few days ago but couldn't get anywhere so I quit it.

ms_zelda_lady