I managed to catch it without any troubles on my wii u. So not sure of the cause. Someone else ran into a similar issue in the opening battle simulation though. Could you send me your dolphin memory card?
The previous user to have the issue said this "I don't know why, but every time I get to using the second move in the opening battle, just after I select it, I get the error message from Dolphin "Invalid read from 0x018a00c8, PC = 0x8013d034"
Apparently, the problem was fixed though:
"Just clearing the errors caused it to resume, sorry for any issues"
Maybe that helps?