How To Fix DH164 - Types of search help parameter & and selection method field incompatible

SAP Error Message - Details

• Message type: E = Error

• Message class: DH - DD: Messages for search helps

• Message number: 164

• Message text: Types of search help parameter & and selection method field incompatible

What causes this issue?

The <DS:TX.DDDOK_SHLP_PARAMETER>parameter</> &V1& of the elementary
search help also occurs as a field in the <DS:DE.SELMETHOD>selection
method</> of the search help. The data type, length and number of
decimal places of the search help parameters and fields of the
selection method must therefore be consistent. The specified parameter
violates this condition.

System Response

INCLUDE DDDOC_CANCEL

How to fix this error?

Make sure that the parameter and field have identical types. This is
best done by defining the type of the search help parameter with a data
element using the same domain as the data element with which the type
of the field of the selection method is defined.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DH164 - Types of search help parameter & and selection method field incompatible ?

  The SAP error message DH164, which states "Types of search help parameter & and selection method field incompatible," typically occurs when there is a mismatch between the data types of the parameters defined in a search help and the fields in the associated selection method.
  Cause:
  
  Data Type Mismatch: The search help parameter and the field in the selection method have incompatible data types. For example, if the search help parameter is defined as a character type (CHAR) and the selection method field is defined as a numeric type (NUMC), this error will occur.
  Field Length Differences: Even if the data types are the same, differences in field lengths can also lead to this error.
  Incorrect Configuration: The search help or selection method may not be configured correctly, leading to inconsistencies.
  
  Solution:
  
  
  Check Data Types: Verify the data types of the search help parameters and the fields in the selection method. Ensure that they are compatible. You can do this by:
  
  Going to the Data Dictionary (SE11) and checking the definitions of both the search help and the selection method.
  Ensuring that the data types (e.g., CHAR, NUMC) and lengths match.
  
  
  
  Adjust Field Lengths: If the data types are the same but the lengths differ, adjust the lengths to ensure they are compatible.
  
  
  Modify Search Help or Selection Method: If necessary, modify either the search help or the selection method to ensure compatibility. This may involve:
  
  Changing the data type of the search help parameter.
  Modifying the selection method to use a different field that is compatible.
  
  
  
  Test Changes: After making the necessary adjustments, test the search help to ensure that the error no longer occurs.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) to investigate and modify search helps and selection methods.
  Documentation: Refer to SAP documentation for detailed information on search helps and selection methods, including best practices for configuration.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.