Ok, got the error message to display by changing the two:
add('xxxx'
to
add_session('xxxx'
in this section:
PHP Code:
//rmh referral start
if ((REFERRAL_REQUIRED == 'true') && (is_numeric($source) == false)) {
$error = true;
$messageStack->add_session('login', ENTRY_SOURCE_ERROR);
}
if ((REFERRAL_REQUIRED == 'true') && (DISPLAY_REFERRAL_OTHER == 'true') &&($source == '9999') && (!zen_not_null($source_other)) ) {
$error = true;
$messageStack->add_session('login', ENTRY_SOURCE_OTHER_ERROR);
}
//rmh referral end
Now the error message stack displays but the form still gets cleared/reset. How can I prevent this resetting? It does not happen with any other field empty....
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