Hi All

After our upgrade to 19.3 we get the following error, please assist:

An unexpected error occurred. If contacting support regarding this error, please refer to error code: YGSHYY

java.lang.NoSuchMethodError: org.labkey.api.settings.HeaderProperties: method 'void <init>()' not found

java.lang.NoSuchMethodError: org.labkey.api.settings.HeaderProperties: method 'void <init>()' not found
at org.labkey.jsp.compiled.org.labkey.core.view.template.bootstrap.header_jsp._jspService(header_jsp.java:127)
at org.labkey.api.view.JspView.renderView(JspView.java:174)
at org.labkey.api.view.WebPartView.renderInternal(WebPartView.java:372)
at org.labkey.api.view.HttpView.render(HttpView.java:134)
at org.labkey.api.view.HttpView.render(HttpView.java:119)
at org.labkey.api.view.HttpView.include(HttpView.java:518)
at org.labkey.api.view.HttpView.include(HttpView.java:494)
at org.labkey.jsp.compiled.org.labkey.core.view.template.bootstrap.pageTemplate_jsp._jspService(pageTemplate_jsp.java:159)
at org.labkey.api.view.JspView.renderView(JspView.java:174)
at org.labkey.api.view.WebPartView.renderInternal(WebPartView.java:372)
at org.labkey.api.view.HttpView.render(HttpView.java:134)
at org.labkey.api.view.HttpView.render(HttpView.java:119)
at org.labkey.api.action.SpringActionController.renderInTemplate(SpringActionController.java:619)
at org.labkey.api.action.SpringActionController.handleRequest(SpringActionController.java:499)
at org.labkey.api.module.DefaultModule.dispatch(DefaultModule.java:1299)
at org.labkey.api.view.ViewServlet._service(ViewServlet.java:204)
at org.labkey.api.view.ViewServlet.service(ViewServlet.java:131)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.labkey.api.data.TransactionFilter.doFilter(TransactionFilter.java:38)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.labkey.api.module.ModuleLoader.doFilter(ModuleLoader.java:1226)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.labkey.api.security.AuthFilter.doFilter(AuthFilter.java:215)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.labkey.core.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:118)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:830)

request attributes
LABKEY.OriginalURL = http://localhost:8080/labkey/study/Tutorials/Importable Demo Study/dataset.view?datasetId=5008&QCState=6%2C5%2C4%2C-1
LABKEY.StartTime = 1582871778453
LABKEY.action = dataset
org.springframework.web.servlet.DispatcherServlet.CONTEXT = Study WebApplicationContext: startup date [Thu Feb 27 15:24:41 SAST 2020]; parent: Root WebApplicationContext
LABKEY.controller = study
LABKEY.Counter = 1
X-LABKEY-CSRF = e1ebbc72ca6c5417996b76b7e0eb4942
LABKEY.container = /Tutorials/Importable Demo Study
LABKEY.RequestURL = /labkey/study/Tutorials/Importable%20Demo%20Study/dataset.view?datasetId=5008&QCState=6%2C5%2C4%2C-1
LABKEY.OriginalURLHelper = /labkey/study/Tutorials/Importable%20Demo%20Study/dataset.view?datasetId=5008&QCState=6%2C5%2C4%2C-1

core schema database configuration
Server URL jdbc:postgresql://localhost/labkey
Product Name PostgreSQL
Product Version 11.2
Driver Name PostgreSQL JDBC Driver
Driver Version 42.2.8