prevent invalid sql

src/Repository/TeamRepository.php

@@ -228,6 +228,8 @@ class TeamRepository extends EntityRepository
             $qb->setParameter('teamIds', array_unique($ids));
         }
 
-        $qb->andWhere($or);
+        if ($or->count() > 0) {
+            $qb->andWhere($or);
+        }
     }
 }

src/Repository/TimesheetRepository.php

@@ -533,8 +533,8 @@ class TimesheetRepository extends EntityRepository
         $or->add($qb->expr()->between('t.end', ':begin', ':end'));
 
         $qb->select('t, p, a, c')
-                ->from(Timesheet::class, 't')
-                ->andWhere($qb->expr()->isNotNull('t.end'))
+            ->from(Timesheet::class, 't')
+            ->andWhere($qb->expr()->isNotNull('t.end'))
             ->andWhere($or)
             ->orderBy('t.begin', 'DESC')
             ->setParameter('begin', $begin)