From 5476879f77b43a732efa92d567b43f136cd496a5 Mon Sep 17 00:00:00 2001
From: neo773 <62795688+neo773@users.noreply.github.com>
Date: Thu, 20 Nov 2025 21:02:44 +0530
Subject: [PATCH] Handle Microsoft calendar sync cursor error (#15938)

Resolves https://twenty-v7.sentry.io/issues/6567295627
---
 .../calendar-event-import-driver.exception.ts   |  1 +
 .../parse-microsoft-calendar-error.util.ts      |  6 ++++++
 ...ar-event-import-exception-handler.service.ts | 17 +++++++++++++++++
 3 files changed, 24 insertions(+)

diff --git a/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/exceptions/calendar-event-import-driver.exception.ts b/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/exceptions/calendar-event-import-driver.exception.ts
index f4c6c1b8ad..b805e07f55 100644
--- a/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/exceptions/calendar-event-import-driver.exception.ts
+++ b/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/exceptions/calendar-event-import-driver.exception.ts
@@ -6,6 +6,7 @@ export enum CalendarEventImportDriverExceptionCode {
   NOT_FOUND = 'NOT_FOUND',
   TEMPORARY_ERROR = 'TEMPORARY_ERROR',
   INSUFFICIENT_PERMISSIONS = 'INSUFFICIENT_PERMISSIONS',
+  SYNC_CURSOR_ERROR = 'SYNC_CURSOR_ERROR',
   UNKNOWN = 'UNKNOWN',
   UNKNOWN_NETWORK_ERROR = 'UNKNOWN_NETWORK_ERROR',
 }
diff --git a/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/microsoft-calendar/utils/parse-microsoft-calendar-error.util.ts b/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/microsoft-calendar/utils/parse-microsoft-calendar-error.util.ts
index ecadb63f58..44f34dbf0d 100644
--- a/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/microsoft-calendar/utils/parse-microsoft-calendar-error.util.ts
+++ b/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/drivers/microsoft-calendar/utils/parse-microsoft-calendar-error.util.ts
@@ -33,6 +33,12 @@ export const parseMicrosoftCalendarError = (
         CalendarEventImportDriverExceptionCode.NOT_FOUND,
       );
 
+    case 410:
+      return new CalendarEventImportDriverException(
+        message,
+        CalendarEventImportDriverExceptionCode.SYNC_CURSOR_ERROR,
+      );
+
     case 429:
       return new CalendarEventImportDriverException(
         message,
diff --git a/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/services/calendar-event-import-exception-handler.service.ts b/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/services/calendar-event-import-exception-handler.service.ts
index 39f941dd0f..b479c0d072 100644
--- a/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/services/calendar-event-import-exception-handler.service.ts
+++ b/packages/twenty-server/src/modules/calendar/calendar-event-import-manager/services/calendar-event-import-exception-handler.service.ts
@@ -64,6 +64,9 @@ export class CalendarEventImportErrorHandlerService {
           workspaceId,
         );
         break;
+      case CalendarEventImportDriverExceptionCode.SYNC_CURSOR_ERROR:
+        await this.handleSyncCursorErrorException(calendarChannel, workspaceId);
+        break;
       case CalendarEventImportDriverExceptionCode.UNKNOWN:
       case CalendarEventImportDriverExceptionCode.UNKNOWN_NETWORK_ERROR:
       default:
@@ -76,6 +79,20 @@ export class CalendarEventImportErrorHandlerService {
     }
   }
 
+  private async handleSyncCursorErrorException(
+    calendarChannel: Pick<CalendarChannelWorkspaceEntity, 'id'>,
+    workspaceId: string,
+  ): Promise<void> {
+    this.logger.log(
+      `CalendarChannelId: ${calendarChannel.id} - Sync cursor error, resetting and rescheduling`,
+    );
+
+    await this.calendarChannelSyncStatusService.resetAndScheduleCalendarEventListFetch(
+      [calendarChannel.id],
+      workspaceId,
+    );
+  }
+
   private async handleTemporaryException(
     syncStep: CalendarEventImportSyncStep,
     calendarChannel: Pick<