How To Fix DO426 - Search help assignment not allowed for data type &

SAP Error Message - Details

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 426

• Message text: Search help assignment not allowed for data type &

What causes this issue?

INCLUDE DDDOC_DTEL_STRING_RESTRIKT OBJECT DOKU ID TX
You assigned a search help to a data element with data type STRING or
RAWSTRING.

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?

Delete the assigned search help or assign the data element another data
type by defining a domain with a different data type or by direct type
entry (direct definition of the data type, number of places and if
necessary the number of decimal places).

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 DO426 - Search help assignment not allowed for data type & ?

  The SAP error message DO426, which states "Search help assignment not allowed for data type &," typically occurs when there is an attempt to assign a search help to a data element or field that does not support it. This can happen in various scenarios, such as when defining data elements in the Data Dictionary (SE11) or when working with search helps in ABAP programs.
  Cause:
  
  Incompatible Data Type: The data type of the field or data element you are trying to assign a search help to is not compatible with search helps. For example, certain data types like CHAR, NUMC, or DATE may have restrictions based on their length or format.
  Field Attributes: The field may have attributes that prevent the assignment of a search help, such as being a key field or having specific technical settings.
  Search Help Configuration: The search help itself may not be properly configured or may not be suitable for the data type in question.
  
  Solution:
  
  Check Data Type: Verify the data type of the field or data element you are trying to assign the search help to. Ensure that it is compatible with the search help you want to use.
  Review Field Attributes: Check the attributes of the field in the Data Dictionary. Ensure that it is not a key field or does not have other restrictions that would prevent the assignment of a search help.
  Modify Search Help: If necessary, modify the search help to ensure it is compatible with the data type. This may involve changing the structure of the search help or creating a new one that fits the requirements.
  Use Alternative Search Helps: If the current search help cannot be assigned, consider using an alternative search help that is compatible with the data type of the field.
  Consult Documentation: Refer to SAP documentation or community forums for specific guidelines on search help assignments and data types.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SE84 (Repository Information System) to investigate and modify data elements and search helps.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to search helps and data types.
  ABAP Development: If you are developing custom ABAP programs, ensure that you are following best practices for search help implementation and data type compatibility.
  
  If the issue persists after checking these aspects, it may be helpful to consult with an SAP Basis or ABAP developer for further assistance.