How are you designing it? Are you using tables for the layout? Modern web layout techniques tend not to work well for these things.

<table border="0" width="1810px">
<tbody>
<tr>
<td width="100" height="1104">&nbsp;</td>
<td width="1610">&nbsp;</td>
<td width="100">&nbsp;</td>
</tr>
<tr>
<td height="200">&nbsp;</td>
<td style="font-size: 40pt; text-align: center;">;firstname]  lastname]</td>
<td>&nbsp;</td>
</tr>
<tr>
<td height="68">&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
</tr>
<tr>
<td height="134">&nbsp;</td>
<td style="font-size: 18pt; text-align: center;">;learning_plan_name]</td>
<td>&nbsp;</td>
</tr>
<tr>
<td height="320">&nbsp;</td>
<td style="text-align: center;">;learning_plan_description]</td>
<td>&nbsp;</td>
</tr>
<tr>
<td height="78">&nbsp;</td>
<td style="text-align: center;">;learning_plan_complete]</td>
<td>&nbsp;</td>
</tr>
<tr>
<td height="480">&nbsp;</td>
<td>&nbsp;</td>
<td>&nbsp;</td>
</tr>
</tbody>
</table>

results in a blank cert

Here’s how it looks in DW

I’m only copying the <table> section is that my error