How To Fix MODEL068 - Invalid field type for attribute '&2' of IO class '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: MODEL - Modeling

• Message number: 068

• Message text: Invalid field type for attribute '&2' of IO class '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MODEL068 - Invalid field type for attribute '&2' of IO class '&1' ?

  The SAP error message MODEL068 indicates that there is an issue with the field type of an attribute in an InfoObject (IO) class. Specifically, it suggests that the field type defined for the attribute does not match the expected type for that InfoObject class.
  Cause:
  The error can occur due to several reasons:
  
  Incorrect Field Type Definition: The attribute's field type may have been incorrectly defined in the InfoObject's settings.
  Data Type Mismatch: The data type of the attribute does not align with the expected data type for the InfoObject class.
  Changes in Data Model: If there have been recent changes to the data model or InfoObject definitions, it may lead to inconsistencies.
  Transport Issues: If the InfoObject was transported from one system to another, there may be discrepancies in the definitions.
  
  Solution:
  To resolve the MODEL068 error, you can follow these steps:
  
  
  Check InfoObject Definition:
  
  Go to the InfoObject maintenance transaction (e.g., RSA1 or RSD1).
  Verify the field type of the attribute in question. Ensure that it matches the expected data type for the InfoObject class.
  
  
  
  Adjust Field Type:
  
  If the field type is incorrect, modify it to the correct type. This may involve changing the data type or adjusting the attribute settings.
  
  
  
  Review Data Model Changes:
  
  If there have been recent changes to the data model, review those changes to ensure that they are consistent and correctly implemented.
  
  
  
  Transport Consistency:
  
  If the InfoObject was transported, check the transport logs for any errors or warnings. Ensure that all related objects were transported correctly.
  
  
  
  Re-activate the InfoObject:
  
  After making changes, you may need to re-activate the InfoObject to ensure that the changes take effect.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no dependencies or other objects that might be affected by the change in field type.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any additional guidance or patches that may address the issue.
  Documentation: Refer to SAP documentation for InfoObject creation and maintenance to understand the expected field types and attributes.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the MODEL068 error in your SAP system.