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TOPIC: PayPal IPN - The payment amount is not correct

PayPal IPN - The payment amount is not correct 6 years 11 months ago #38215

Occasionally I get this error in my rsform_paypal_log.php file:

Validation failed -> The payment amount is not correct.

This results in the form record not being updated correctly and no confirmation emails are sent. Looking at the PayPal transaction and in my RSForm records, including the logs, the amounts do indeed match.

I do have a default amount in my PayPal form field, and I use Javascript to calculate final amount based on some user input. I also use PHP scripts to update the final amount sent to PayPal, including a [handling] fee. The final amount the PHP script calculates and sends to PayPal does match.

The transactions that fail have amounts that are significantly different that default amount in the form field. Some are +/- a few dollars and succeed, but the failed transactions are +/- $20 or more.

Looking for any ideas how to correct this.
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