Dreamweaver is a wonderful, helpful, time-saving, error-correcting, etc. editing tool so cannot understand why some denounce DW out of hand.
However "Templates" are not my favorite. In DW, under MODIFY menu you have options >Template>Check Syntax and/or >Detach From Template.
Is the error message perhaps referring to the CSS file? There may be errors I have not checked but suspect you should start anew with proper CSS link path set up beforehand. You need to define a root site folder and save your template doc to that site's Template folder, then choose FILE>New>from that template doc. [see screen shot]
Why <body
class="container">? Would think it should be an ID such as <body id="home"> ?
See scren shot of message below and correct your template to move <--editable region--> markers outside block elements
Code:
<body class="container">
<!-- TemplateBeginEditable name="Header" -->
<div class="header"><img src="../Live/images/headerindex.jpg" name="Insert_logo"width="960" height="148" border="0" id="Insert_logo" style="background: #C6D580; display:block;" />
<!-- end .header --></div>
<!-- TemplateEndEditable -->
<div class="sidebar1"> ...
<!-- TemplateBeginEditable name="Button 1" -->
<p><a href="../Live/search.html"><img src="../Live/images/search-for-parts.gif" width="120" height="120" alt="parts search" /></a></p>
<!-- TemplateEndEditable -->
<!-- TemplateBeginEditable name="Button 2" -->
<p><a href="../Live/sell.html"><img src="../Live/images/sell-your-vehicle.gif" width="120" height="120" alt="sell your vehicle" /></a></p>
<!-- TemplateEndEditable -->
...
P.S. I would create an overall <DIV> to contain all the page content, such as
Code:
#wrap { margin: 0 auto; margin: 0 auto; width: 85%; max-width:950px; min-width: 250px; position: relative; background: rgba(255,255,255,0.25); z-index: 400; }