Fix panic in roomserver
@@ -156,7 +156,7 @@ func (d *Database) AddState(
stateBlockNIDs []types.StateBlockNID,
state []types.StateEntry,
) (stateNID types.StateSnapshotNID, err error) {
- if len(stateBlockNIDs) > 0 {
+ if len(stateBlockNIDs) > 0 && len(state) > 0 {
// Check to see if the event already appears in any of the existing state
// blocks. If it does then we should not add it again, as this will just
// result in excess state blocks and snapshots.
