How To Fix DI796 - Lock field &-& does not have a character-like type

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 796

• Message text: Lock field &-& does not have a character-like type

What causes this issue?

The field named was identified as <DS:TX.DDDOK_ENQU_FIELD>lock field</>
of the lock object. However, its ABAP type is not of character type.

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

System Response

How to fix this error?

Check whether you could give the field another type, perhaps NUMC,
or whether you can remove the field from the key for the table.
Key fields which are not of character type also cause problems elswhere,
for example when transporting table entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI796 - Lock field &-& does not have a character-like type ?

  The SAP error message DI796 indicates that there is an issue with a lock field in your SAP system. Specifically, the error message states that the lock field does not have a character-like type, which means that the field being used for locking is not of a compatible data type (e.g., CHAR, VARCHAR) that can be used for locking purposes.
  Cause:
  
  Data Type Mismatch: The lock field specified in the operation is not of a character-like type. This could happen if the field is defined as a numeric type, date type, or any other non-character type.
  Incorrect Configuration: The configuration of the locking mechanism may be incorrect, leading to the use of an inappropriate field for locking.
  Custom Development: If there are custom programs or enhancements, they may be using a field that is not suitable for locking.
  
  Solution:
  
  Check Field Definition: Verify the data type of the lock field in the relevant table or structure. Ensure that it is defined as a character-like type (CHAR, VARCHAR).
  Modify Locking Logic: If the lock field is indeed not character-like, you may need to modify the logic in your program or configuration to use a different field that is appropriate for locking.
  Review Custom Code: If the error arises from custom code, review the code to ensure that the correct field is being used for locking. You may need to refactor the code to use a character-like field.
  Consult Documentation: Check SAP documentation or notes related to the specific transaction or function module you are using to see if there are any known issues or recommendations regarding lock fields.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  Data Dictionary: Use transaction SE11 to check the data dictionary for the relevant table or structure to confirm the data types of the fields.
  Debugging: If you have access to debugging tools, you can set breakpoints in the code where the locking is being implemented to analyze the data types being used at runtime.
  
  If the issue persists after checking these aspects, consider reaching out to your SAP Basis or ABAP development team for further assistance.