How To Fix ESH_OM_OBJ_MODEL_REP284 - Types of field &1 and &2 are incompatible

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_REP - Object Model Repository

• Message number: 284

• Message text: Types of field &1 and &2 are incompatible

What causes this issue?

The types of field &v1& and &v2& are incompatible because they are
of different internal types (for example, char and int) or
are of the same decimal type with different numbers of decimals
or are a combination of type CHAR and SSTR where the length of the field
with type SSTR is greater than &v3&.

System Response

The fields cannot be assigned within a relation.

How to fix this error?

Choose different fields.

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 ESH_OM_OBJ_MODEL_REP284 - Types of field &1 and &2 are incompatible ?

  The SAP error message ESH_OM_OBJ_MODEL_REP284 indicates that there is a type mismatch between two fields in the context of the SAP Enterprise Search or Object Model. This typically occurs when the system is trying to compare or process two fields that are expected to be of the same data type, but they are not.
  Cause:
  
  Data Type Mismatch: The most common cause of this error is that the fields being compared or processed have different data types. For example, one field might be an integer while the other is a string.
  Incorrect Configuration: There may be an issue in the configuration of the object model or the search model where the fields are defined.
  Data Model Changes: If there have been recent changes to the data model or the underlying database schema, it could lead to inconsistencies in field types.
  Custom Development: If there are custom developments or enhancements in the system, they might not align with the expected data types.
  
  Solution:
  
  Check Field Definitions: Review the definitions of the fields involved in the error. Ensure that they are of compatible types. You can do this by checking the data dictionary (SE11) or the relevant object model configuration.
  Adjust Configuration: If the fields are part of a custom object model or search model, adjust the configuration to ensure that the fields are defined with compatible data types.
  Data Type Conversion: If necessary, implement data type conversion in your logic to ensure that the fields can be compared or processed together.
  Review Recent Changes: If the error started occurring after recent changes, review those changes to identify any discrepancies in field types.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP you are using for any known issues or additional guidance.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered and gather more context about the fields involved.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the definitions and configurations of the fields.
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for the error message or the component involved.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.