4021
Request timed out
REJSystem
Community Reference: This is an unofficial resource compiled from public banking documentation. Severity and behavior may vary by bank and payment provider. View sources.
The payment request timed out before receiving a response. The payment may or may not have been processed - further investigation is needed.
Common Causes
- •Network connectivity issues
- •Receiving bank system slow to respond
- •High transaction volumes causing delays
- •Infrastructure performance issues
What to Tell the Customer
“Your payment request timed out. Please check your transaction history before trying again to avoid duplicate payments.”
How to Fix
- 1Check if the payment was actually processed
- 2Review transaction history for the payment
- 3Wait before retrying to avoid duplicates
- 4Contact your bank if status is unclear