Hi,

from Log-Service-Email, We are seeing few specific errors in Email Listener:-

1.pyErrorCategory = parsing error ->

Error Reason: null and StackTrace: com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphErrorHandler.throwError(MSGraphErrorHandler.java:96) 
com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphEmailClient.getMessage(MSGraphEmailClient.java:1414) 
com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphEmailClient.getMessageByMessageId_REST(MSGraphEmailClient.java:820) 
com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphEmailClient.getMessagebyMessageId(MSGraphEmailClient.java:802) 
com.pega.platform.integrationengine.client.email.internal.MSGraphEmailClientProxy.getMessagebyMessageId(MSGraphEmailClientProxy.java:501) 
com.pega.platform.integrationengine.internal.email.EmailListenerDelegateImpl.getNextUnprocessedMessage(EmailListenerDelegateImpl.java:227) 
com.pega.platform.integrationengine.internal.email.EmailListenerDelegateImpl$$EnhancerByGuice$$9621a6d8.CGLIB$getNextUnprocessedMessage$3(<generated>) 
com.pega.platfo

2. pyErrorCategory = marking-delete-failed->

Error Reason: MdbReplicationProtectionUtilizationMonitor is unhealthy. and StackTrace: com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphErrorHandler.throwError(MSGraphErrorHandler.java:96) 
com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphEmailRESTMessage.setAsDeleted(MSGraphEmailRESTMessage.java:566) 
com.pega.platform.integrationengine.client.email.internal.MSGraphEmailClientProxy.setAsDeleted(MSGraphEmailClientProxy.java:566) 
com.pega.pegarules.integration.engine.internal.services.email.EmailActionImpl.setMessageFlag(EmailActionImpl.java:277) 
com.pega.pegarules.integration.engine.internal.services.email.EmailActionImpl.execute(EmailActionImpl.java:253) 
com.pega.pegarules.integration.engine.internal.services.email.ParallelEmailPollerStrategy.processEmails(ParallelEmailPollerStrategy.java:238) 
com.pega.pegarules.integration.engine.internal.services.email.ParallelEmailPollerStrategy.run(ParallelEmailPollerStrategy.java:81) 
com.pega.pegarules.i

3. pyErrorCategory = marking-delete-failed->

Error Reason: Application is over its MailboxConcurrency limit. and StackTrace: com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphErrorHandler.throwError(MSGraphErrorHandler.java:94) 
com.pega.platform.integrationcore.client.email.internal.msgraph.MSGraphEmailRESTMessage.setAsDeleted(MSGraphEmailRESTMessage.java:566) 
com.pega.platform.integrationengine.client.email.internal.MSGraphEmailClientProxy.setAsDeleted(MSGraphEmailClientProxy.java:566) 
com.pega.pegarules.integration.engine.internal.services.email.EmailActionImpl.setMessageFlag(EmailActionImpl.java:277) 
com.pega.pegarules.integration.engine.internal.services.email.EmailActionImpl.execute(EmailActionImpl.java:253) 
com.pega.pegarules.integration.engine.internal.services.email.ParallelEmailPollerStrategy.processEmails(ParallelEmailPollerStrategy.java:238) 
com.pega.pegarules.integration.engine.internal.services.email.ParallelEmailPollerStrategy.run(ParallelEmailPollerStrategy.java:81) 
com.pega.pegarules.integrat

I believe these are not errors from Pega's side, mostly pointing towards MS graph. Could somebody help me out with this?