I have a testing server but i haven't install ispCP yet. So any testing result will be good
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A fix:
In billing.pl:
Replace (~ line 54):
Code:
$SQL = "SELECT `domain` FROM `invoices` WHERE `duedate` = '".(1900 + $year)."-".$months[$mon]."-".$days[$mday]."' AND `status` = 'Unpaid'";
with:
Code:
$SQL = "SELECT `domain` FROM `clients` WHERE `paidto` = '".(1900 + $year)."-".$months[$mon]."-".$days[$mday]."'";
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Another fix:
In config.php (in billing.zip):
Replace (~ line 6):
Code:
error_reporting(E_ALL);
With:
Code:
error_reporting(0);