First error: I always give the bottling bucket a gentle stir after I rack the beer on top of the priming sugar. Emphasize the gentle.
Second error: My racking cane sports some electrical tape to make sure the seal stays sealed. Been there, done that. It ain't pretty but it works.
Bottled: Kolsch, belgian Wit, Belgian dubbel, Edworts Haus Pale Ale
Seconday: We don't need no stinking Secondary