мдя....дурак....

включил эти инпуты в форму - всё заработало...
Код HTML:
<!-- ###TEST_REG### begin -->
<form action="###REG_ACTION###" method="POST">
<table class="table-single">
<tr class="table-single-header">
<th colspan="2">###TEST_LABEL_HEAD###</th>
</tr>
<tr>
<th class="table-single-body1">###TEST_LABEL_NAME###:</th>
<th class="table-single-body2"><input name="###VAL_NAME###"/></th>
</tr>
<tr>
<th class="table-single-body1">###TEST_LABEL_LNAME###:</th>
<th class="table-single-body2"><input name="###VAL_LNAME###"/></th>
</tr>
<tr>
<th class="table-single-body1">###TEST_LABEL_EMAIL###:</th>
<th class="table-single-body2"><input name="###VAL_EMAIL###"/></th>
</tr>
<tr class="table-single-footer">
<th></th><th></th>
</tr>
<tr class="table-single-reg">
<th><input type=submit name="###REG_INPUT_NAME###" value="###REG_INPUT_VALUE###"></th>
</tr>
</table>
</form>
<!-- ###TEST_REG### end -->