Transaction Issues

Transaction Issues

Issue: No response from terminal

Possible causes:

• Communication failure
• Incorrect request format
• Solution:
• Verify connection status.
• Ensure request ends with “!”.
• Check transaction type.

Issue: Transaction failed

Possible causes:

• Invalid data
• Signature mismatch
• Terminal error

Solution:

• Validate request data.
• Verify signature generation.
• Retry transaction.