Server version: 0.2.29
There were no server side messages for the crash

Server log after the sink was broken

[20:43:56] [Server thread/WARN]: The tile entity net.blay09.mods.cookingforblockheads.tile.SinkBlockEntity@27e148ef (class class net.blay09.mods.cookingforblockheads.tile.SinkBlockEntity) was removed, but the value net.blay09.mods.balm.forge.fluid.ForgeFluidTank@62e94647 provided by it for the capability net/minecraftforge/fluids/capability/IFluidHandler is still marked as valid. This is likely a bug in the mod(s) adding the tile entity/the capability

Client error message

The game crashed whilst tesselating block model
Error: java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 33
Exit Code: -1