How To Fix OQ_H014 - You cannot delete a system table field

SAP Error Message - Details

• Message type: E = Error

• Message class: OQ_H - IS-Oil SSR : Message pool Interfaces/IAC/BAPI development

• Message number: 014

• Message text: You cannot delete a system table field

What causes this issue?

You are trying to delete a system table field. The field cannot be
deleted here, but you can change other properties for the field.

System Response

The system will not delete the table.

How to fix this error?

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

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 OQ_H014 - You cannot delete a system table field ?

  The SAP error message OQ_H014, which states "You cannot delete a system table field," typically occurs when you attempt to delete a field from a system table in the SAP database. System tables are integral to the functioning of the SAP system, and their structure is often predefined and protected to maintain data integrity and system stability.
  Cause:
  
  System Table Protection: The field you are trying to delete is part of a system table, which is protected by SAP to prevent accidental data loss or corruption.
  Data Integrity: Deleting fields from system tables can lead to inconsistencies in the database and application logic, which is why SAP restricts such actions.
  Authorization Issues: You may not have the necessary authorizations to perform the deletion operation.
  
  Solution:
  
  Review Requirements: Assess whether you truly need to delete the field. Often, it may be more appropriate to hide the field or mark it as inactive rather than deleting it.
  Use Custom Tables: If you need to modify the structure of a table, consider creating a custom table instead of modifying a system table.
  Consult Documentation: Check SAP documentation or consult with your SAP Basis or ABAP team to understand the implications of modifying system tables.
  Authorization Check: Ensure that you have the necessary authorizations to perform the operation. If not, contact your system administrator to gain the required permissions or to perform the action on your behalf.
  SAP Notes: Look for relevant SAP Notes that might provide additional guidance or solutions related to your specific scenario.
  
  Related Information:
  
  SAP System Tables: These are predefined tables that are essential for the operation of the SAP system. Examples include tables like T001 (Company Codes), T006 (Units of Measure), etc.
  Data Dictionary (SE11): You can use transaction SE11 to view the structure of tables and understand their fields and data types.
  Change Management: Always follow change management procedures when making modifications to the database schema to ensure that changes are documented and approved.
  
  If you continue to face issues or if the situation is complex, it may be beneficial to engage with SAP support or a qualified SAP consultant for further assistance.