loader el util character normalizer error

ERROR: Error evaluating group name expression: 'org:${loaderLdapElUtils.normalize("NFD", groupAttribute).replaceAll("
p{M}", "")}'
java.lang.RuntimeException: Error substituting string: 'org:${loaderLdapElUtils.normalize("NFD", groupAttribute).replaceAll("
p{M}", "")}'
at edu.internet2.middleware.grouper.util.GrouperUtil.substituteExpressionLanguage(GrouperUtil.java:9589)
at edu.internet2.middleware.grouper.app.loader.ldap.LoaderLdapUtils.substituteEl(LoaderLdapUtils.java:719)
at edu.internet2.middleware.grouper.grouperUi.serviceLogic.UiV2GrouperLoader.diagnosticsTryLdapGroupsFromAttributes(UiV2GrouperLoader.java:3494)
at edu.internet2.middleware.grouper.grouperUi.serviceLogic.UiV2GrouperLoader.loaderDiagnosticsRun(UiV2GrouperLoader.java:2219)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at edu.internet2.middleware.grouper.util.GrouperUtil.invokeMethod(GrouperUtil.java:4268)
at edu.internet2.middleware.grouper.util.GrouperUtil.callMethod(GrouperUtil.java:4219)
at edu.internet2.middleware.grouper.j2ee.GrouperUiRestServlet.doGet(GrouperUiRestServlet.java:335)
at edu.internet2.middleware.grouper.j2ee.GrouperUiRestServlet.doPost(GrouperUiRestServlet.java:202)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
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:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.owasp.csrfguard.CsrfGuardFilter.doFilter(CsrfGuardFilter.java:88)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at edu.internet2.middleware.grouper.ui.GrouperUiFilter.doFilter(GrouperUiFilter.java:1163)
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:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:44)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:482)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:810)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1623)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.commons.jexl2.JexlException: edu.internet2.middleware.grouper.util.GrouperUtil.substituteExpressionLanguage@9536![18,50]: 'loaderLdapElUtils.normalize('NFD', groupAttribute).replaceAll('\p{M}', '');' method invocation error
at org.apache.commons.jexl2.Interpreter.call(Interpreter.java:1076)
at org.apache.commons.jexl2.Interpreter.visit(Interpreter.java:1100)
at org.apache.commons.jexl2.parser.ASTMethodNode.jjtAccept(ASTMethodNode.java:18)
at org.apache.commons.jexl2.Interpreter.visit(Interpreter.java:1317)
at org.apache.commons.jexl2.parser.ASTReference.jjtAccept(ASTReference.java:18)
at org.apache.commons.jexl2.Interpreter.interpret(Interpreter.java:232)
at org.apache.commons.jexl2.ExpressionImpl.evaluate(ExpressionImpl.java:65)
at edu.internet2.middleware.grouper.util.GrouperUtil.substituteExpressionLanguage(GrouperUtil.java:9539)
... 43 more
Caused by: java.lang.IllegalArgumentException: No enum constant java.text.Normalizer.Form.Calcul Québec: McGill University
at java.lang.Enum.valueOf(Enum.java:238)
at java.text.Normalizer$Form.valueOf(Normalizer.java:122)
at edu.internet2.middleware.grouper.app.loader.ldap.LoaderLdapElUtils.normalize(LoaderLdapElUtils.java:58)
at sun.reflect.GeneratedMethodAccessor1791.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.commons.jexl2.internal.MethodExecutor.execute(MethodExecutor.java:64)
at org.apache.commons.jexl2.internal.AbstractExecutor$Method.invoke(AbstractExecutor.java:327)
at org.apache.commons.jexl2.Interpreter.call(Interpreter.java:1068)
... 50 more
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