How To Fix SLDAP_ICM020 - Waiting for ABAP push channel resulted in error code &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SLDAP_ICM - ICM LDAP Plugin: Messages

• Message number: 020

• Message text: Waiting for ABAP push channel resulted in error code &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SLDAP_ICM020 - Waiting for ABAP push channel resulted in error code &1 ?

  The SAP error message SLDAP_ICM020 indicates that there is an issue with the ABAP Push Channel (APC) in the context of the SAP NetWeaver Application Server. This error typically occurs when the system is waiting for a response from the ABAP Push Channel, but it encounters an error code instead.
  Cause:
  The error can be caused by several factors, including:
  
  Network Issues: Problems with network connectivity between the client and the server can lead to timeouts or failures in communication.
  Configuration Issues: Incorrect configuration of the ICM (Internet Communication Manager) or the ABAP Push Channel settings can lead to this error.
  Resource Limitations: If the server is under heavy load or if there are insufficient resources (like memory or CPU), it may not be able to process requests in a timely manner.
  Software Bugs: There may be bugs in the SAP system or in the specific version of the software you are using that could lead to this error.
  Session Management: Issues with session management or session timeouts can also trigger this error.
  
  Solution:
  To resolve the SLDAP_ICM020 error, you can try the following steps:
  
  
  Check Network Connectivity: Ensure that there are no network issues between the client and the SAP server. You can use tools like ping or traceroute to diagnose connectivity problems.
  
  
  Review ICM Configuration: Check the configuration of the ICM and the ABAP Push Channel. Ensure that the settings are correct and that the necessary services are enabled.
  
  
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor the workload on the server. If the server is overloaded, consider optimizing the workload or increasing system resources.
  
  
  Check for Software Updates: Ensure that your SAP system is up to date with the latest patches and updates. Sometimes, bugs are fixed in newer versions.
  
  
  Review Logs: Check the system logs (transaction SM21) and the ICM logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  Session Management: If the issue is related to session management, consider reviewing the session timeout settings and adjusting them if necessary.
  
  
  Restart ICM: As a last resort, you can try restarting the ICM service. This can sometimes clear transient issues.
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the ABAP Push Channel and ICM for best practices and configuration guidelines.
  Community Forums: Consider searching or posting on SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying these solutions, it may be necessary to contact SAP support for further assistance.