Plokman

Hello, I am experiencing a glitch. It is part of the tell Jackson's Mom I went and told her he was at the school in Viridian, Then I went back to the school and talked to her, after that I talked to Jackson but I was called away during the conversation and was logged out automatically. I have logged in today and some times Jackson's mom will still show up but he is gone. I try to leave Viridian but the old man stops me and tells me to check out the school. I return to the school talk to the receptionist and she tells me Jackson's mom has just arrived, Like before she is there but Jackson is missing and if I try talking to her she vanishes. I have no idea what to do. Thank you for your time, Plokman