TOPIC: [SOLVED] "valid amount" error on submit

Using authorize.net, and using the \"Both\" user and pre-set amounts, if I select a pre-set I get this error:

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This transaction failed due to an error in application. Please notify the site administrator and provide the text that is displayed below:
Reason :A valid amount is required.
The amount entered is not valid i.e. not numeric

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If I input an amount it works, and if I set to only one or the other it works.

Additional info was requested in your support ticket, which is a duplicate of this post. Please see the ticket. Thanks.

This was fixed on thirdsun\'s site but I just saw this forum post was left unresolved. For anyone else that has this issue with the Joomla 1.0.x version of DT Donate 2.1.4, download the attached file, rename it dtdonate.php and upload it over top of the existing file at:
/components/com_dtdonate

AGAIN, ONLY FOR JOOMLA 1.0.x VERSION of DT DONATE!