An error occured while attaching module (Dynamicweb.Frontend.Content)

System.Xml.XmlException: The ';' character, hexadecimal value 0x3B, cannot be included in a name.
   at System.Xml.XmlDocument.CheckName(String name)
   at System.Xml.XmlElement..ctor(XmlName name, Boolean empty, XmlDocument doc)
   at System.Xml.XmlDocument.CreateElement(String prefix, String localName, String namespaceURI)
   at System.Xml.XmlDocument.CreateElement(String name)
   at Dynamicweb.Rendering.TemplateXml.TagsToXml(XmlElement parentElement, TagCollection tags)
   at Dynamicweb.Rendering.Template.ParseXml()
   at Dynamicweb.Rendering.Template.Output()
   at BleauEasySlider.CustomModules.BleauEasySlider.Frontend.GetContent() in C:\SVN\dynamicweb\StandardModules\Bleau.EasySlider\Source\BleauEasySlider\BleauEasySlider\CustomModules\BleauEasySlider\Frontend.cs:line 65
   at Dynamicweb.Frontend.Content.getModule(DataRow& ParagraphRow)