Jeromeee

ive already finished the team rockets hideout in the game corner. (i had the eevee), but i didnt get the silph scope. next i return it to the police then i go to the gym and defeated Erika when i exit the gym, a trainer with a single pikachu fought me, (i lose, because i just got my low level pokemon alive) now im stuck in lavender town cause i cant get in the 7f floor of the pokemon tower.when im going back in the game corner underground greg is blocking the path. im stuck in the game what will i do? (not sure if this is a bug) please help me! i want to play more