How To Fix HH028 - Parameter not contained in either ONCONFIG file or 'oncheck -pP 1 1'

HH028 - Overview

• Message type: E = Error

• Message class: HH - (Long) text for check tool 'infcfgcheck'

• Message number: 028

• Message text: Parameter not contained in either ONCONFIG file or 'oncheck -pP 1 1'

What causes this issue?

The specified ONCONFIG parameter is not contained in either the
ONCONFIG file nor in the output of the command 'oncheck -pP 1 1'.
The current single result is not an error and you do not have to do
anything about it!
Background information/explanation:
The specified ONCONFIG parameter does not yet exist in Informix
versions before 7.xx.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HH028 - Parameter not contained in either ONCONFIG file or 'oncheck -pP 1 1' ?

  The SAP error message HH028 indicates that a specific parameter is not found in the ONCONFIG file or is not recognized by the oncheck command. This error typically occurs in the context of SAP systems that are using IBM Informix as the database management system.
  
  Cause:
  
  Missing Parameter: The parameter that the system is trying to access is not defined in the ONCONFIG file. This could be due to a misconfiguration or an oversight during the setup.
  Incorrect ONCONFIG File: The ONCONFIG file being referenced may not be the correct one for the current database instance.
  Database Corruption: In some cases, database corruption or issues with the Informix server can lead to parameters not being recognized.
  Version Mismatch: There may be a version mismatch between the SAP application and the Informix database, leading to certain parameters not being recognized.
  
  
  Solution:
  
  
  Check ONCONFIG File: 
  
  Locate the ONCONFIG file being used by your Informix instance. This file is typically