diff --git a/openslides_backend/action/action_handler.py b/openslides_backend/action/action_handler.py
index 85423e218a..299f1a7249 100644
--- a/openslides_backend/action/action_handler.py
+++ b/openslides_backend/action/action_handler.py
@@ -118,15 +118,13 @@ def handle_request(
         parsing all actions. In the end it sends everything to the event store.
         """
         with make_span(self.env, "handle request"):
-            with get_new_os_conn() as db_connection:
-                self.db_connection = db_connection
-                self.user_id = user_id
-                self.internal = internal
+            self.user_id = user_id
+            self.internal = internal
 
-                try:
-                    payload_schema(payload)
-                except fastjsonschema.JsonSchemaException as exception:
-                    raise ActionException(exception.message)
+            try:
+                payload_schema(payload)
+            except fastjsonschema.JsonSchemaException as exception:
+                raise ActionException(exception.message)
 
             retry_count = int(self.env.ACTION_MAX_RETRIES or 1)
             retry_timeout = float(self.env.ACTION_RETRY_TIMEOUT or 0.4)
@@ -144,20 +142,28 @@ def handle_request(
 
                             def transform_to_list(
                                 tuple: tuple[WriteRequest | None, ActionResults | None],
-                            ) -> tuple[list[WriteRequest], ActionResults | None]:
+                            ) -> tuple[list[WriteRequest], ActionResults]:
                                 return (
                                     [tuple[0]] if tuple[0] is not None else [],
-                                    tuple[1],
+                                    tuple[1] if tuple[1] is not None else [],
                                 )
 
                             for element in payload:
                                 try:
-                                    result = self.execute_write_requests(
-                                        lambda e: transform_to_list(
-                                            self.perform_action(e)
-                                        ),
-                                        element,
-                                    )
+                                    result: list[Any] = []
+                                    for data_element in element["data"]:
+                                        result.extend(
+                                            self.execute_write_requests(
+                                                lambda e: transform_to_list(
+                                                    self.perform_action(e)
+                                                ),
+                                                {
+                                                    "action": element["action"],
+                                                    "data": [data_element],
+                                                },
+                                            )
+                                        )
+                                        self.datastore.connection.commit()
                                     results.append(result)
                                 except ActionException as exception:
                                     error = cast(ActionError, exception.get_json())
diff --git a/openslides_backend/action/action_worker.py b/openslides_backend/action/action_worker.py
index b26a7366b6..4e5dc692f5 100644
--- a/openslides_backend/action/action_worker.py
+++ b/openslides_backend/action/action_worker.py
@@ -144,6 +144,7 @@ def initial_action_worker_write(self, extended_db: ExtendedDatabase) -> str:
                     locked_fields={},
                 )
             )
+            # Assert worker exists in db.
             extended_db.get(self.fqid, [], lock_result=False, use_changed_models=False)
             message = f"Action ({self.action_names}) lasts too long. {self.fqid} written to database. Get the result from database, when the job is done."
             self.written = True
diff --git a/openslides_backend/services/database/database_writer.py b/openslides_backend/services/database/database_writer.py
index ee79514cdd..be17e512da 100644
--- a/openslides_backend/services/database/database_writer.py
+++ b/openslides_backend/services/database/database_writer.py
@@ -400,7 +400,7 @@ def delete_from_intermediate_tables(
                 table_name=sql.Identifier(intermediate_table),
                 own_column=sql.Identifier(own_column),
                 other_column=sql.Identifier(other_column),
-                negation=sql.SQL("") if directly else sql.SQL("NOT "),
+                negation=sql.SQL("" if directly else "NOT "),
                 id=id_,
             )
             self.execute_sql(
diff --git a/openslides_backend/shared/base_service_provider.py b/openslides_backend/shared/base_service_provider.py
index 908900b3c4..9740014b2f 100644
--- a/openslides_backend/shared/base_service_provider.py
+++ b/openslides_backend/shared/base_service_provider.py
@@ -1,9 +1,6 @@
 from openslides_backend.services.auth.interface import AuthenticationService
 from openslides_backend.services.database.interface import Database
 from openslides_backend.services.media.interface import MediaService
-from openslides_backend.services.postgresql.db_connection_handling import (
-    get_current_os_conn_pool,
-)
 from openslides_backend.services.vote.interface import VoteService
 from openslides_backend.shared.interfaces.logging import Logger, LoggingModule
 from openslides_backend.shared.interfaces.services import Services
@@ -37,5 +34,3 @@ def __init__(
         self.vote_service = services.vote()
         self.datastore = datastore
         self.logging = logging
-        os_conn_pool = get_current_os_conn_pool()
-        self.db_connection = os_conn_pool.connection()
diff --git a/tests/integration/test_handle_request.py b/tests/integration/test_handle_request.py
index d362784caa..560cb90d46 100644
--- a/tests/integration/test_handle_request.py
+++ b/tests/integration/test_handle_request.py
@@ -108,7 +108,7 @@ def test_success_actions_with_result_atomic(action_handler: ActionHandler) -> No
     ]
     response = action_handler.handle_request(payload, 0, False)
     assert response["success"] is True
-    assert response["results"] == [[], [{"id": 1}, {"id": 42}]]
+    assert response["results"] == [[], [{"id": 1}, {"id": 42}, {"id": 1}, {"id": 42}]]
 
 
 def test_with_error(action_handler: ActionHandler) -> None: