How To Fix ESH_CA_CACHE019 - Method &1 returned unexpected result

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_CA_CACHE - ESH Cache

• Message number: 019

• Message text: Method &1 returned unexpected result

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 ESH_CA_CACHE019 - Method &1 returned unexpected result ?

  The SAP error message ESH_CA_CACHE019 typically indicates that there is an issue with the cache in the Enterprise Search (ESH) component of SAP. The message states that a method (denoted by &1) returned an unexpected result, which can lead to problems in retrieving or displaying search results.
  Causes:
  
  Cache Corruption: The cache may be corrupted or not properly synchronized, leading to unexpected results when methods are called.
  Configuration Issues: Incorrect configuration settings in the Enterprise Search or the underlying data sources can lead to this error.
  Data Inconsistencies: If the data in the source systems has changed but the cache has not been updated, it can result in discrepancies.
  System Bugs: There may be bugs in the version of SAP you are using that affect the cache handling or method execution.
  
  Solutions:
  
  
  Clear the Cache: 
  
  Go to the transaction code for clearing the cache (e.g., /IWFND/CACHE for OData services) and clear the relevant caches. This can often resolve issues related to stale or corrupted cache data.
  
  
  
  Rebuild the Index: 
  
  If the issue persists, consider rebuilding the search index. This can be done through the ESH administration tools or relevant transaction codes.
  
  
  
  Check Configuration: 
  
  Review the configuration settings for the Enterprise Search and ensure that all data sources are correctly configured and accessible.
  
  
  
  Update SAP: 
  
  Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues related to caching and search functionality.
  
  
  
  Review Logs: 
  
  Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the issue.
  
  
  
  Consult SAP Notes: 
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on troubleshooting.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /IWFND/MAINT_SERVICE for managing OData services, and /IWFND/CACHE for cache management.
  Enterprise Search Documentation: Review the official SAP documentation for Enterprise Search to understand its architecture and configuration better.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further investigation.