How To Fix ESH_CHECK_CONN020 - Error while getting categories from the runtime buffer

ESH_CHECK_CONN020 - Overview

• Message type: E = Error

• Message class: ESH_CHECK_CONN - Check connector consistency

• Message number: 020

• Message text: Error while getting categories from the runtime buffer

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 ESH_CHECK_CONN020 - Error while getting categories from the runtime buffer ?

  The SAP error message ESH_CHECK_CONN020 typically indicates an issue with the connection to the Enterprise Search (ESH) runtime buffer, which is used to retrieve categories for search functionalities. This error can arise due to various reasons, including configuration issues, connectivity problems, or inconsistencies in the search index.
  Causes:
  
  
  Configuration Issues: The Enterprise Search might not be properly configured, leading to issues in retrieving categories.
  Indexing Problems: If the search index is not updated or is inconsistent, it can cause errors when trying to access categories.
  Connection Problems: There may be network issues or problems with the connection to the backend system or the search service.
  Authorization Issues: The user may not have the necessary authorizations to access the categories in the search.
  Buffer Issues: The runtime buffer may be corrupted or not properly initialized.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the configuration settings for the Enterprise Search in the SAP system. Ensure that all necessary components are correctly set up.
  Check the