Final answer:
Errors on an issue/turn-in summary report should be reported to the Property Custodian, who oversees the accuracy of property records and manages inventory discrepancies.
Step-by-step explanation:
When encountering any errors on an issue/turn-in summary report, it is typically best practice to report these errors to the Property Custodian. The Property Custodian is responsible for maintaining the accuracy of property records and ensuring that any discrepancies on reports are corrected promptly. Reporting to the correct point of contact like the Property Custodian ensures that the error is handled by the individual who has direct oversight and knowledge of the inventory and assets involved.