in admin/gv_mail.php

$insert_id = tep_db_insert_id($insert_query);

in create_account.php

$insert_id = tep_db_insert_id($insert_query);

this may cause can not get ID for insert in to next table
and the admin/gv_sent.php can not get anything

change to
$insert_id = tep_db_insert_id();

all is ok

no file include


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