System.Exception: Could not resolve type name: BIMCO.Web.XslHelper.XslHelper, BIMCO.Web.XslHelper (method: Sitecore.Configuration.Factory.CreateFromTypeName(XmlNode configNode, String[] parameters, Boolean assert)).
   at Sitecore.Diagnostics.Error.Raise(String error, String method)
   at Sitecore.Configuration.Factory.CreateType(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.Factory.CreateFromTypeName(XmlNode configNode, String[] parameters, Boolean assert)
   at Sitecore.Configuration.Factory.CreateObject(XmlNode configNode, String[] parameters, Boolean assert, IFactoryHelper helper)
   at Sitecore.Web.UI.WebControls.XslFile.ReadXslExtensions()
   at Sitecore.Web.UI.WebControls.XslFile.get_XslExtensions()
   at Sitecore.Web.UI.WebControls.XslFile.AddExtensionObjects(XsltArgumentList list, Item item)
   at Sitecore.Web.UI.WebControls.XslFile.DoRender(HtmlTextWriter output, Item item) Xsl file could not be processed: /xsl/gm/GM.List.xslt