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"Amount can only be increased by 20%" occurs when upgrading my PubHTML5 account 4955 Views

When you upgrade your service, an error message "Amount can only be increased by 20%" may be indicated. In this case, what you need to do is cancel your previous subscription in your PayPal account (https://www.paypal.com/cgi-bin/webscr?cmd=_subscr-find&alias=S9J7EGSQKQAU8), and reorder (http://pubhtml5.com/pricing.php).

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