How To Fix DH300 - & is selection method for search help & and thus must remain DB table

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 300

• Message text: & is selection method for search help & and thus must remain DB table

What causes this issue?

The <DS:DE.TABCLASS>table category</> of table &V1& is changed, whereby
the table is converted from a database table into a structure.
Therefore you cannot select data from table &V1&. However, table &V1&
is being used as <DS:DE.SELMETHOD>selection method</> of
<DS:TX.DDDOK_SHLP_ELEMENTARY>elementary search help</> &V2&.

System Response

The change is rejected or performed with warnings.

How to fix this error?

Check if you really want to use the table as selection method of the
serach help. If so, you should cancel the table category change.
Otherwise you should specify a different selection method for the
search help (or delete it).

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 DH300 - & is selection method for search help & and thus must remain DB table ?

  The SAP error message DH300 typically relates to issues with search helps in the SAP system. This error can occur when there is a problem with the selection method for a search help, particularly when it is not properly defined or when the underlying database table is not accessible or does not exist.
  Cause of DH300 Error
  
  Invalid Selection Method: The selection method defined for the search help may not be valid or may not point to a valid database table.
  Database Table Issues: The underlying database table that the search help is supposed to reference may not exist, may have been deleted, or may not be properly activated.
  Authorization Issues: The user may not have the necessary authorizations to access the database table or the search help.
  Configuration Errors: There may be configuration errors in the search help definition itself.
  
  Solution for DH300 Error
  
  Check Selection Method: Verify that the selection method defined for the search help is valid and points to an existing database table. You can do this by navigating to the search help definition in the Data Dictionary (SE11) and checking the selection method.
  Verify Database Table: Ensure that the database table exists and is active. You can check this in transaction SE11 by entering the table name and checking its status.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the database table and the search help. This can be checked in transaction SU53 or by consulting with your security team.
  Recreate or Adjust Search Help: If the search help is misconfigured, you may need to recreate it or adjust its settings. This can involve modifying the selection method or the fields used in the search help.
  Transport Issues: If the search help was recently transported from another system, ensure that all related objects (like the database table and selection method) were also transported correctly.
  
  Related Information
  
  Search Help: In SAP, search helps are used to provide users with a list of possible values for a field. They can be based on database tables or views.
  Selection Method: This defines how the data is retrieved for the search help. It typically points to a database table or a view.
  Transaction Codes: 
  
  SE11: Data Dictionary, where you can view and edit database tables and search helps.
  SE80: Object Navigator, where you can manage various objects including search helps.
  SE84: Repository Information System, which can help you find search helps and their definitions.
  
  
  
  Conclusion
  To resolve the DH300 error, you need to ensure that the selection method for the search help is correctly defined and that the underlying database table is accessible and valid. If issues persist, further investigation into user authorizations and configuration settings may be necessary.