How To Fix CNV_PE128 - Parameter &1 deactivated due to exceeding maximum length of 16 characters

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 128

• Message text: Parameter &1 deactivated due to exceeding maximum length of 16 characters

What causes this issue?

Parameter with name <ZH>&V1&</> and ID <ZH>&V2&</> was deactivated due
to exceeding allowed maximum length of 16 characters.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE128 - Parameter &1 deactivated due to exceeding maximum length of 16 characters ?

  The SAP error message CNV_PE128 indicates that a parameter has been deactivated because its length exceeds the maximum allowed limit of 16 characters. This error typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation.
  Cause:
  The error is caused by a parameter (often a field or variable) being defined with a value that exceeds the maximum length of 16 characters. This can happen in various scenarios, such as:
  
  When configuring data migration settings.
  When defining parameters in a custom program or report.
  When using certain SAP tools or transactions that impose length restrictions on parameters.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Parameter: Check the error message for the specific parameter name (indicated by &1). This will help you identify which parameter is causing the issue.
  
  
  Review Parameter Value: Look at the value assigned to the parameter. If it exceeds 16 characters, you will need to shorten it.
  
  
  Modify the Parameter: Change the value of the parameter to ensure it is 16 characters or fewer. This may involve:
  
  Truncating the value.
  Using an abbreviation.
  Re-evaluating the necessity of the parameter's current value.
  
  
  
  Check Configuration: If the parameter is part of a configuration setting, ensure that the configuration adheres to the length restrictions imposed by SAP.
  
  
  Test Changes: After making the necessary adjustments, re-run the process or transaction to see if the error persists.
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation or help files related to the specific tool or transaction you are using. This can provide insights into parameter limits and best practices.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this error or provide additional context.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the CNV_PE128 error and proceed with your data migration or conversion tasks.