Perfectly normal. S-04 is a whitbread strain variant and clumps together like crazy (always looks like cottage cheese to me). It will drop eventually.
On Deck: CaliCommon, Amber, Wit
Primary: Munich/Cascade SMaSH, Dubbel
Secondary: Petite Orange
Bottled: Blé de Minuit, Belgian Stout, Fuller's London Pride, Tripel Wit, Red, APA, Dubbel, Oatmeal Stout, RIS, Wee Heavy
Kegged: APA, Doppelbock, Spiced Cider, C3IPA
"Beer... Now there's a temporary solution!"