>>21062404Ash was first asked to get the GS ball from Ivy, as it couldn't be transferred. When he had done that he took it back to Oak. Oak couldn't open it either so Ash was asked to deliver it to Kurt. He delivered it to Kurt and we never saw anything more about it.
It is a fact that it was ment to contain Celebi, but it didn't fit with Celebi's role in the 4th movie so it was dropped.
Probably the best example of the anime trying to make a long and good story, spanning across multiple seasons but failing horribly in the end.
