Mencoba membuat modal bootstrap tapi kenapa force close

newbie ign mohon batuannya master, satya mncoba mmbuat modal tapi kenapa force close ya?
mohon pencerraahannya dan
berikut scriptnya :
<input type="button" name="btn" value="Preview" id="submitBtn" data-toggle="modal" data-target="#confirm-submit" class="btn btn-default" />			
			<!-- Modal -->
<div class="modal fade" width="500px" id="confirm-submit" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
 <div width="500px" class="modal-dialog modal-lg">
    <div class="modal-content">
	<div class="modal-header">
	  <button type="button" class="close" data-dismiss="modal">×</button>
		<h4 class="modal-title">SURAT PERINTAH</h4>
	</div>
	<div width="500px" class="modal-body" >
	      <table text-align="left" style="margin-top:30px;margin-left:30px">
		 <tr>								
		<td align="center" style="font-size:20px;"><img src="img/nganjuk.png" width="90px" height="110px" /></td>
		</tr>
		<tr><td align="center" style="font-size:18px;"><b>BADAN KEPEGAWAIAN NEGARA</b></td></tr>
		<tr><td align="center" style="font-size:18px;"><b>KANTOR REGIONAL I</b></td></tr>
		<table>
	</div>
	<div class="modal-footer">
	<button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
	<a href="#" id="submit" class="btn btn-success success">Submit</a>
	</div>
    </div>
 </div>
</div><!---end modal--->