How To Fix APOC_OR_MESSAGES400 - A technical error has occured. Please retry.

SAP Error Message - Details

• Message type: E = Error

• Message class: APOC_OR_MESSAGES - Messages for Output Control

• Message number: 400

• Message text: A technical error has occured. Please retry.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message APOC_OR_MESSAGES400 - A technical error has occured. Please retry. ?

  The SAP error message "APOC_OR_MESSAGES400 A technical error has occurred. Please retry." typically indicates a problem within the SAP system, particularly in the Advanced Planning and Optimization (APO) module. This error can arise from various underlying issues, including configuration problems, data inconsistencies, or system performance issues.
  Possible Causes:
  
  System Performance Issues: High load on the system or insufficient resources (CPU, memory) can lead to timeouts or failures in processing requests.
  Data Inconsistencies: Corrupted or inconsistent data in the APO system can trigger technical errors.
  Configuration Errors: Incorrect settings in the APO configuration can lead to unexpected behavior and errors.
  Network Issues: Problems with network connectivity can cause disruptions in communication between different components of the SAP system.
  Transport Issues: If there have been recent transports or changes in the system, they may not have been properly implemented or could have introduced errors.
  
  Solutions:
  
  Retry the Operation: As the error message suggests, sometimes simply retrying the operation can resolve transient issues.
  Check System Logs: Review the system logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause.
  Monitor System Performance: Use transaction ST03N to analyze system performance and identify any bottlenecks.
  Validate Data: Check for data inconsistencies in the relevant master data or transactional data. Use transaction code /SAPAPO/SDP94 or similar to validate data.
  Review Configuration: Ensure that the APO configuration settings are correct and aligned with business processes.
  Check Network Connectivity: Ensure that there are no network issues affecting communication between SAP components.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and any logs you have reviewed.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), ST22 (Dump Analysis), and SM21 (System Log) to diagnose 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 SAP documentation related to APO and error handling for additional troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the error message.