Hello I am Eliza Smith. Troubleshooting common issues in QuickBooks Vend Integration requires a systematic approach. Begin by verifying the integration settings, ensuring they align with your business needs. Check for any software updates on both platforms to guarantee compatibility. Review error messages for specific details and cross-reference with support documentation. Inspect data mapping to ensure accurate synchronization. If encountering discrepancies, reconcile data in both QuickBooks and Vend. Utilize online forums or customer support for community insights and expert guidance.