Twig_Error_Runtime on Local Dev Environment Trying to set up craft on local environment and getting the following error once running mysql. Any clue what usually causes twig_error_runtime?

Twig_Error_Runtime

Method "bust" for object "Craft\CraftVariable" does not exist in "_layout" at line 66 (/Users/username/Sites/site.com/craft/app/vendor/twig/twig/lib/Twig/Template.php:485)

#0 /Users/username/Sites/site.com/craft/app/etc/templating/BaseTemplate.php(41): Twig_Template-&gt;getAttribute(Object(Craft\CraftVariable), 'bust', Array, 'any', false, false)
#1 /Users/username/Sites/site.com/craft/storage/runtime/compiled_templates/f7/b1/be6fe94a8e6c7ce48ecb00086d0a2ebde7cc24cc43eec4a6ba82fa4a24c9.php(128): Craft\BaseTemplate-&gt;getAttribute(Object(Craft\CraftVariable), 'bust', Array)
#2 /Users/username/Sites/site.com/craft/app/vendor/twig/twig/lib/Twig/Template.php(313): __TwigTemplate_f7b1be6fe94a8e6c7ce48ecb00086d0a2ebde7cc24cc43eec4a6ba82fa4a24c9-&gt;doDisplay(Array, Array)
#3 /Users/username/Sites/site.com/craft/app/vendor/twig/twig/lib/Twig/Template.php(287): Twig_Template-&gt;displayWithErrorHandling(Array, Array)
#4 /Users/username/Sites/site.com/craft/storage/runtime/compiled_templates/44/d5/7fc586931d2e13dfcd02f8209765153f695b63c7cf7dd78afa05d76029c4.php(27): Twig_Template-&gt;display(Array, Array)
#5 /Users/username/Sites/site.com/craft/app/vendor/twig/twig/lib/Twig/Template.php(313): __TwigTemplate_44d57fc586931d2e13dfcd02f8209765153f695b63c7cf7dd78afa05d76029c4-&gt;doDisplay(Array, Array)
#6 /Users/username/Sites/site.com/craft/app/vendor/twig/twig/lib/Twig/Template.php(287): Twig_Template-&gt;displayWithErrorHandling(Array, Array)
#7 /Users/username/Sites/site.com/craft/app/vendor/twig/twig/lib/Twig/Template.php(298): Twig_Template-&gt;display(Array)
#8 /Users/username/Sites/site.com/craft/app/vendor/twig/twig/lib/Twig/Environment.php(293): Twig_Template-&gt;render(Array)
#9 /Users/username/Sites/site.com/craft/app/services/TemplatesService.php(223): Twig_Environment-&gt;render('404', Array)
#10 /Users/username/Sites/site.com/craft/app/controllers/BaseController.php(74): Craft\TemplatesService-&gt;render('404', Array)
#11 /Users/username/Sites/site.com/craft/app/controllers/TemplatesController.php(201): Craft\BaseController-&gt;renderTemplate('404', Array)
#12 /Users/username/Sites/site.com/craft/app/framework/web/actions/CInlineAction.php(49): Craft\TemplatesController-&gt;actionRenderError()
#13 /Users/username/Sites/site.com/craft/app/framework/web/CController.php(308): CInlineAction-&gt;runWithParams(Array)
#14 /Users/username/Sites/site.com/craft/app/framework/web/CController.php(286): CController-&gt;runAction(Object(CInlineAction))
#15 /Users/username/Sites/site.com/craft/app/framework/web/CController.php(265): CController-&gt;runActionWithFilters(Object(CInlineAction), Array)
#16 /Users/username/Sites/site.com/craft/app/framework/web/CWebApplication.php(282): CController-&gt;run('renderError')
#17 /Users/username/Sites/site.com/craft/app/framework/base/CErrorHandler.php(368): CWebApplication-&gt;runController('templates/rende...')
#18 /Users/username/Sites/site.com/craft/app/framework/base/CErrorHandler.php(351): CErrorHandler-&gt;renderError()
#19 /Users/username/Sites/site.com/craft/app/framework/base/CErrorHandler.php(218): CErrorHandler-&gt;renderException()
#20 /Users/username/Sites/site.com/craft/app/etc/errors/ErrorHandler.php(128): CErrorHandler-&gt;handleException(Object(Craft\HttpException))
#21 /Users/username/Sites/site.com/craft/app/framework/base/CErrorHandler.php(131): Craft\ErrorHandler-&gt;handleException(Object(Craft\HttpException))
#22 /Users/username/Sites/site.com/craft/app/framework/base/CApplication.php(740): CErrorHandler-&gt;handle(Object(CExceptionEvent))
#23 [internal function]: CApplication-&gt;handleException(Object(Craft\HttpException))
#24 {main}
Was simply root password in DB changing since last loading up environment. Threw some more errors to finally see database connection issues and just had to update db.php to fix. Leaving this here in case anyone else has issues.