How To Fix ESH_ADM_MSG318 - Parameter not defined as a constant

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ADM_MSG - ESH Administration and Monitoring Tool

• Message number: 318

• Message text: Parameter not defined as a constant

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ADM_MSG318 - Parameter not defined as a constant ?

  The SAP error message ESH_ADM_MSG318 indicates that a parameter is not defined as a constant in the context of the SAP Enterprise Search (ESH) configuration. This error typically arises when there is an issue with the configuration of the search system, particularly when defining parameters that are expected to have constant values.
  Cause:
  
  Parameter Definition: The parameter in question has not been defined correctly in the configuration settings. It may be missing or incorrectly set.
  Configuration Issues: There may be inconsistencies or errors in the configuration of the Enterprise Search system, such as missing constants or incorrect data types.
  Custom Code: If there is custom code involved, it may not be handling parameters correctly, leading to this error.
  
  Solution:
  
  
  Check Parameter Definitions:
  
  Go to the relevant configuration settings in the SAP system where the parameters are defined.
  Ensure that all parameters that are supposed to be constants are defined as such. This may involve checking the relevant customizing settings in transaction codes like EHS_ADMIN or EHS_CONFIG.
  
  
  
  Review Custom Code:
  
  If there is any custom code that interacts with the search parameters, review it to ensure that it is correctly defining and using constants.
  Make sure that any parameters passed to functions or methods are defined as constants where required.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for Enterprise Search to understand the expected configuration and parameter definitions.
  Look for any notes or guides that may address this specific error.
  
  
  
  Testing:
  
  After making changes, test the configuration to ensure that the error is resolved.
  Use transaction codes like EHS_ADMIN to perform tests and validate the search functionality.
  
  
  
  SAP Support:
  
  If the issue persists, consider reaching out to SAP support for assistance. Provide them with details of the error and the steps you have taken to resolve it.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as EHS_ADMIN, EHS_CONFIG, and others related to Enterprise Search configuration.
  SAP Notes: Check for any SAP Notes related to ESH and this specific error message. SAP Notes often contain important information about known issues and their resolutions.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.