C1 on Ramp Adatper Http error code received in reply to envelope.

Hi there,

I am having a problem with some of my customer due to the following reason:

When I make a ping or try to send a document I got back the following message:
errorDetail message Error attempting to send envelope.
interface
wm.marketconnect.xdk.transport.http
service sendEnvelope
reason
Http error code received in reply to envelope.
exceptionClass
com.wm.pkg.marketconnect.lang.DetailedException
stack com.wm.pkg.marketconnect.lang.DetailedException: Http error code received in reply to envelope. at com.wm.pkg.commerceOne.EnvelopeManager.sendEnvelope(EnvelopeManager.java:651) at wm.marketconnect.xdk.transport.http.sendEnvelope(http.java:81) at sun.reflect.GeneratedMethodAccessor164.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at com.wm.app.b2b.server.JavaService.baseInvoke(JavaService.java:294) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:587) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:44) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:229) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.ACLManager.process(ACLManager.java:194) at com.wm.app.b2b.server.invoke.DispatchProcessor.process(DispatchProcessor.java:39) at com.wm.app.b2b.server.AuditLogManager.process(AuditLogManager.java:403) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:503) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:367) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:246) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:128) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:100) at com.wm.app.b2b.server.Service.doInvoke(Service.java:584) at com.wm.app.b2b.server.Service.doInvoke(Service.java:552) at wm.marketconnect.xdk.transport.sendEnvelope(transport.java:193) at sun.reflect.GeneratedMethodAccessor163.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at com.wm.app.b2b.server.JavaService.baseInvoke(JavaService.java:294) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:587) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:44) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:229) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.ACLManager.process(ACLManager.java:194) at com.wm.app.b2b.server.invoke.DispatchProcessor.process(DispatchProcessor.java:39) at com.wm.app.b2b.server.AuditLogManager.process(AuditLogManager.java:403) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:503) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:367) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:246) at com.wm.app.b2b.server.BaseService.invoke(BaseService.java:157) at com.wm.lang.flow.FlowInvoke.invoke(FlowInvoke.java:324) at com.wm.lang.flow.FlowState.invokeNode(FlowState.java:580) at com.wm.lang.flow.FlowState.step(FlowState.java:438) at com.wm.lang.flow.FlowState.invoke(FlowState.java:403) at com.wm.app.b2b.server.FlowSvcImpl.baseInvoke(FlowSvcImpl.java:1749) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:587) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:44) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:229) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.ACLManager.process(ACLManager.java:194) at com.wm.app.b2b.server.invoke.DispatchProcessor.process(DispatchProcessor.java:39) at com.wm.app.b2b.server.AuditLogManager.process(AuditLogManager.java:403) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:503) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:367) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:246) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:113) at com.wm.app.b2b.server.Service.doInvoke(Service.java:609) at com.wm.app.b2b.server.Service.doInvoke(Service.java:506) at wm.marketconnect.tn.delivery.sendEnvelope(delivery.java:122) at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at com.wm.app.b2b.server.JavaService.baseInvoke(JavaService.java:287) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:587) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:44) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:229) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.ACLManager.process(ACLManager.java:194) at com.wm.app.b2b.server.invoke.DispatchProcessor.process(DispatchProcessor.java:39) at com.wm.app.b2b.server.AuditLogManager.process(AuditLogManager.java:403) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:503) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:367) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:246) at com.wm.app.b2b.server.BaseService.invoke(BaseService.java:157) at com.wm.lang.flow.FlowInvoke.invoke(FlowInvoke.java:324) at com.wm.lang.flow.FlowState.invokeNode(FlowState.java:580) at com.wm.lang.flow.FlowState.step(FlowState.java:438) at com.wm.lang.flow.FlowState.invoke(FlowState.java:403) at com.wm.app.b2b.server.FlowSvcImpl.baseInvoke(FlowSvcImpl.java:1749) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:587) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:44) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:229) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.ACLManager.process(ACLManager.java:194) at com.wm.app.b2b.server.invoke.DispatchProcessor.process(DispatchProcessor.java:39) at com.wm.app.b2b.server.AuditLogManager.process(AuditLogManager.java:403) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:503) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:367) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:246) at com.wm.app.b2b.server.BaseService.invoke(BaseService.java:157) at com.wm.lang.flow.FlowInvoke.invoke(FlowInvoke.java:324) at com.wm.lang.flow.FlowState.invokeNode(FlowState.java:580) at com.wm.lang.flow.FlowState.step(FlowState.java:438) at com.wm.lang.flow.FlowState.invoke(FlowState.java:403) at com.wm.app.b2b.server.FlowSvcImpl.baseInvoke(FlowSvcImpl.java:1749) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:587) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:44) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:229) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.ACLManager.process(ACLManager.java:194) at com.wm.app.b2b.server.invoke.DispatchProcessor.process(DispatchProcessor.java:39) at com.wm.app.b2b.server.AuditLogManager.process(AuditLogManager.java:403) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:503) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:367) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:246) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:113) at com.wm.app.b2b.server.Service.doInvoke(Service.java:609) at com.wm.app.b2b.server.Service.doInvoke(Service.java:558) at com.wm.app.tn.route.RoutingActions.invokeWrapper(RoutingActions.java:907) at wm.tn.route.invokeWrapper(route.java:948) at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at com.wm.app.b2b.server.JavaService.baseInvoke(JavaService.java:287) at com.wm.app.b2b.server.invoke.InvokeManager.process(InvokeManager.java:587) at com.wm.app.b2b.server.invoke.StatisticsProcessor.process(StatisticsProcessor.java:44) at com.wm.app.b2b.server.invoke.ServiceCompletionImpl.process(ServiceCompletionImpl.java:229) at com.wm.app.b2b.server.invoke.ValidateProcessor.process(ValidateProcessor.java:49) at com.wm.app.b2b.server.ACLManager.process(ACLManager.java:194) at com.wm.app.b2b.server.invoke.DispatchProcessor.process(DispatchProcessor.java:39) at com.wm.app.b2b.server.AuditLogManager.process(AuditLogManager.java:403) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:503) at com.wm.app.b2b.server.invoke.InvokeManager.invoke(InvokeManager.java:367) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:246) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:113) at com.wm.app.b2b.server.ServiceThread.run(ServiceThread.java:82) at com.wm.app.tn.util.JobQueue$2.run(JobQueue.java:93) at com.wm.util.pool.PooledThread.run(PooledThread.java:105) at java.lang.Thread.run(Thread.java:534)

If someone have an Idea why I get this error, That would help me a lot.
Thanks