Fix: addressed linter warnings

pkg/protocol/protocol.go

@@ -80,6 +80,8 @@ func New(logger log.Logger, workers *workerpool.Group, networkEndpoint network.E
 		})
 
 		p.Constructed.Trigger()
+
+		p.waitEngineInitialized()
 	})
 }
 
@@ -92,8 +94,6 @@ func (p *Protocol) IssueBlock(block *model.Block) error {
 
 // Run starts the protocol.
 func (p *Protocol) Run(ctx context.Context) error {
-	p.waitEngineInitialized()
-
 	p.Initialized.Trigger()
 
 	<-ctx.Done()

pkg/storage/prunable/prunable.go

@@ -147,6 +147,10 @@ func (p *Prunable) Rollback(targetEpoch iotago.EpochIndex, pruningRange [2]iotag
 		return ierrors.Wrapf(err, "failed to prune slots in range [%d, %d] from target epoch %d", pruningRange[0], pruningRange[1], targetEpoch)
 	}
 
+	if err := p.rollbackCommitteesCandidates(targetEpoch, pruningRange[0]-1); err != nil {
+		return ierrors.Wrapf(err, "failed to rollback committee candidates to target epoch %d", targetEpoch)
+	}
+
 	lastPrunedCommitteeEpoch, err := p.rollbackCommitteeEpochs(targetEpoch+1, pruningRange[0]-1)
 	if err != nil {
 		return ierrors.Wrapf(err, "failed to rollback committee epochs to target epoch %d", targetEpoch)