How To Fix SOI452 - Error in external call: &1 &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: SOI - Safe Online Import/Upgrade Messages

• Message number: 452

• Message text: Error in external call: &1 &2 &3 &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOI452 - Error in external call: &1 &2 &3 &4 ?

  The SAP error message SOI452, which states "Error in external call: &1 &2 &3 &4," typically indicates that there is an issue with an external call made from the SAP system to another system or service. This could involve various scenarios, such as calling a web service, an external application, or a database.
  Possible Causes:
  
  Network Issues: There may be connectivity problems between the SAP system and the external system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to this error.
  Authentication Problems: Issues with credentials or permissions when trying to access the external system.
  Data Format Issues: The data being sent to or received from the external system may not be in the expected format.
  Timeouts: The external call may be timing out due to slow response times from the external system.
  Service Unavailability: The external service may be down or not reachable.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external system. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify that all configuration settings related to the external call are correct. This includes URLs, ports, and any required parameters.
  Validate Credentials: Ensure that the correct authentication credentials are being used and that the user has the necessary permissions to access the external system.
  Inspect Data Formats: Check the data being sent and received to ensure it adheres to the expected formats. This may involve reviewing XML or JSON structures if applicable.
  Increase Timeout Settings: If timeouts are suspected, consider increasing the timeout settings for the external call in the SAP configuration.
  Check External Service Status: Verify that the external service is operational and not experiencing downtime or maintenance.
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to check transaction codes like SM21 (System Log) or ST22 (Dump Analysis) for more detailed error logs.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Debugging: If you have access, consider debugging the code that is making the external call to identify where the failure occurs.
  Logs: Review application logs or trace files for more detailed error messages that can provide insight into the root cause.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.