Fix delete work items bug

server/src/api/routes/WorkItemRoutes.js

@@ -56,6 +56,7 @@ export class WorkItemRoutes extends BaseRoutes {
   async deleteAllWorkItems(req, res, next) {
     const Activity = this.db.Activity
     const WorkItem = this.db.WorkItem
+    const Team = this.db.Team
 
     await Activity.remove({})
     await Team.updateMany({}, { $set: { start: null } })