Hi Sergio,<div><br></div><div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">so, if you edit a component.. say, header.. and you accidentally put<br>

in some broken html.. say, you forget to close out a tag..<br>
<br>
when you do this, the whole site is rendered incorrectly..<br>
<br>
this then means that the whole site is breaks, and you can&#39;t edit it,<br>
or go back to a different revision...<br></blockquote><div><br></div><div>This is one of the reasons for Pier-Admin - a separate admin interface that won&#39;t be effected by changes you make to the site.</div><div><br></div>
<div>However without Pier-Admin, I guess it depends on how your site is configured - in PRDistribution based sites there is a separate template/environment which is used for system tools - so that if you mess up the main site&#39;s environment you can still use the management tools - search for senders of PRDistribution&gt;&gt;metaEnvironmentPage</div>
<div><br></div><div>You could try using the Diff View to put back a previous version - but it will probably use you default environment (which appears to be broken)</div><div>eg:</div><div><a href="http://localhost:8082/pier/system/components/header&amp;view=PRDiffView">http://localhost:8082/pier/system/components/header&amp;view=PRDiffView</a></div>
<div><br></div><div>where /pier/system/components/header is replaced with: /apath/to/component/which/is/broken</div><div><br></div><div>Alternatively from an image you can navigate to any PRStructure instance within your kernel with something like:</div>
<div><br></div><div>(((WADispatcher default handlerAt: &#39;pier&#39;) configuration valueAt: #kernel) root lookupPath: &#39;/system/components/header&#39;) contents</div><div><br></div><div>This will extract the kernel from the handler registered at /pier then lookup a path to a structure within the kernel at &#39;/system/components/header&#39; and display the contents. You can then replace the contents with:</div>
<div><br></div><div><div>(((WADispatcher default handlerAt: &#39;pier&#39;) configuration valueAt: #kernel) root lookupPath: &#39;/system/components/header&#39;) contents: &#39;fixed header&#39;</div></div><div><br></div>
<div>I&#39;m sure with some experimentation you&#39;ll be able to fix it</div><div><br></div><div>Nick</div><div><br></div><div><br></div><div><br></div><div><br></div><div> </div></div></div>