How To Fix CRM_APO204 - Connection to APO interrupted / confirmations are unreliable.

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_APO - Dates

• Message number: 204

• Message text: Connection to APO interrupted / confirmations are unreliable.

What causes this issue?

The connection to the APO system was terminated between the current
availability check and the preceding one. The items confirmed by APO so
far are unreliable because they cannot be cancelled or saved in the APO
system. Moreover, there may be a technical problem with APO which leads
to a loss of data of the (temporary) confirmations.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

As soon as the connection to the APO system has been re-established,
you must carry out the availability check once again for the affected
items in order to achieve a reliable result.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_APO204 - Connection to APO interrupted / confirmations are unreliable. ?

  The SAP error message "CRM_APO204 Connection to APO interrupted / confirmations are unreliable" typically indicates a problem with the connection between the SAP Customer Relationship Management (CRM) system and the Advanced Planning and Optimization (APO) system. This can lead to unreliable confirmations for sales orders, deliveries, or other transactions that depend on real-time data from APO.
  Causes:
  
  Network Issues: Temporary network disruptions can interrupt the connection between CRM and APO.
  System Configuration: Incorrect configuration settings in either the CRM or APO system can lead to connection issues.
  APO System Downtime: The APO system may be down for maintenance or experiencing performance issues.
  Authorization Issues: Insufficient user authorizations can prevent successful communication between the systems.
  Data Consistency Issues: Inconsistent or corrupted data in either system can lead to communication failures.
  Middleware Issues: If you are using middleware (like SAP PI/PO) for communication, issues in the middleware can also cause this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues affecting the connection between the systems. You can use tools like ping or traceroute to diagnose network problems.
  Review System Logs: Check the application logs in both CRM and APO for any error messages or warnings that could provide more context about the issue.
  Verify Configuration Settings: Ensure that the configuration settings for the connection between CRM and APO are correct. This includes checking RFC destinations and connection parameters.
  Monitor APO System Status: Check if the APO system is up and running. If it is down, coordinate with your Basis team to resolve the issue.
  Check User Authorizations: Ensure that the user has the necessary authorizations to access both systems and perform the required operations.
  Data Consistency Check: Run consistency checks on the data in both systems to identify and resolve any inconsistencies.
  Middleware Monitoring: If using middleware, check its status and logs for any errors that might indicate a problem with data transfer.
  Retry the Operation: Sometimes, simply retrying the operation after a brief wait can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address known issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for both CRM and APO for best practices on system integration and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.