diff --git a/apiserver/plane/bgtasks/issue_activites_task.py b/apiserver/plane/bgtasks/issue_activites_task.py
index 49b1a4145..c2502cd68 100644
--- a/apiserver/plane/bgtasks/issue_activites_task.py
+++ b/apiserver/plane/bgtasks/issue_activites_task.py
@@ -376,7 +376,7 @@ def track_assignees(
                         verb="updated",
                         old_value=assignee.email,
                         new_value="",
-                        field="assignee",
+                        field="assignees",
                         project=project,
                         workspace=project.workspace,
                         comment=f"{actor.email} removed assignee {assignee.email}",
@@ -989,7 +989,7 @@ def create_attachment_activity(
             verb="created",
             actor=actor,
             field="attachment",
-            new_value=current_instance.get("access", ""),
+            new_value=current_instance.get("asset", ""),
             new_identifier=current_instance.get("id", None),
         )
     )
diff --git a/apiserver/plane/db/migrations/0039_auto_20230723_2203.py b/apiserver/plane/db/migrations/0039_auto_20230723_2203.py
new file mode 100644
index 000000000..e6dc81306
--- /dev/null
+++ b/apiserver/plane/db/migrations/0039_auto_20230723_2203.py
@@ -0,0 +1,26 @@
+# Generated by Django 4.2.3 on 2023-07-23 16:33
+
+from django.db import migrations
+
+def rename_field(apps, schema_editor):
+    Model = apps.get_model("db", "IssueActivity")
+    updated_activity = []
+    for obj in Model.objects.filter(field="assignee"):
+        obj.field = "assignees"
+        updated_activity.append(obj)
+
+    Model.objects.bulk_update(
+        updated_activity, ["field"], batch_size=100
+    )
+ 
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0038_auto_20230720_1505'),
+    ]
+
+    operations = [
+        migrations.RunPython(rename_field)
+    ]