Lee can't get there until he finds a way after rescuing Cat from the water. If you didn't get this scene yet then focus on your relationship with Cat. Lee from time to time dreams about what to do next when he sleeps :)
Hmm, there shouldn't be any problems then. Send us your save file please, we'll check it and return it to you fixed, if necessary. You may send it to yummy@manka.games or to Asmodeev on our Discord server