WebMarkupMin.Core.MarkupMinificationException: Category: HTML_PARSING_ERROR Message: In the start tag <2> found invalid characters. File: /huong-dan/gia-tham-khao-mot-so-loai-dan-piano-secondhand-pho-bien_52.html Line number: 438 Column number: 106 Source fragment: Line 437: Line 438: …0 trở lên); U3H (số serial <2.000.000) ; U2H</td> ----------------------------------------------------------^ Line 439: at WebMarkupMin.Core.Loggers.ThrowExceptionLogger.Error(String category, String message, String filePath, Int32 lineNumber, Int32 columnNumber, String sourceFragment) at WebMarkupMin.Core.GenericHtmlMinifier.Minify(String content, String fileContext, Encoding encoding, Boolean generateStatistics) at WebMarkupMin.AspNet4.Common.MarkupMinificationFilterStream.Close() at System.Web.HttpWriter.FilterIntegrated(Boolean finalFiltering, IIS7WorkerRequest wr) at System.Web.HttpResponse.FilterOutput() at System.Web.HttpApplication.CallFilterExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)