worked great for a couple days, but then suddenly stopped working with following error messages:

Mar 24, 2011 7:57:10 PM hudson.plugins.scm_sync_configuration.SCMManipulator expectScmRepositoryInitiated
WARNING: SCM Repository has not yet been initiated !

also see this warning:
Mar 24, 2011 4:15:02 PM hudson.ExpressionFactory2$JexlExpression evaluate
WARNING: Caught exception evaluating: it.getPlugin().shouldDecorationOccursOnURL(url.toString()). Reason: java.lang.IllegalStateException: Cannot create a session after the response has been committed
java.lang.IllegalStateException: Cannot create a session after the response has been committed
at org.apache.catalina.connector.Request.doGetSession(Request.java:2400)
at org.apache.catalina.connector.Request.getSession(Request.java:2120)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:833)
at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:844)
at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:224)
at hudson.plugins.scm_sync_configuration.ScmSyncConfigurationDataProvider.retrieveObject(ScmSyncConfigurationDataProvider.java:90)
at hudson.plugins.scm_sync_configuration.ScmSyncConfigurationDataProvider.retrieveComment(ScmSyncConfigurationDataProvider.java:86)
at hudson.plugins.scm_sync_configuration.ScmSyncConfigurationPlugin.shouldDecorationOccursOnURL(ScmSyncConfigurationPlugin.java:174)
at sun.reflect.GeneratedMethodAccessor239.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:258)
at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:104)
at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)
at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:72)
at org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)
at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsBoolean(ExpressionSupport.java:71)
at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:97)
at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)