Sage 50 SmartPosting allows quick and easy bank transaction posting in Sage 50. However, users may encounter SmartPosting errors that prevent transactions from posting properly. Common SmartPosting errors include mismatching amounts, unrecognized payees, incorrect dates, and duplication. To resolve, first ensure bank statement data is entered correctly in SmartPosting. Review transaction status and details. Manual corrections or deleting and re-creating transactions may be needed if issues persist. Using Sage's automated reconciliation tools properly helps avoid SmartPosting errors for efficient bank transaction feeds in Sage 50 accounting software.