How To Fix C1131 - Data type of characteristics cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 131

• Message text: Data type of characteristics cannot be changed

What causes this issue?

You want to change the data type of an existing characteristic.
To avoid data inconsistencies, this is not supported.

System Response

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

How to fix this error?

Change your entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1131 - Data type of characteristics cannot be changed ?

  The SAP error message C1131, which states "Data type of characteristics cannot be changed," typically occurs in the context of SAP BW (Business Warehouse) or SAP ERP when you attempt to change the data type of a characteristic in the data model. This error is related to the data integrity and consistency of the data model, as changing the data type of a characteristic can have significant implications for existing data and reports.
  
  Cause:
  
  Existing Data: The characteristic already has data associated with it, and changing the data type could lead to inconsistencies or data loss.
  Dependencies: The characteristic may be used in various InfoObjects, queries, or reports, and changing its data type could affect these dependencies.
  Data Model Constraints: SAP enforces certain constraints to maintain the integrity of the data model, and changing the data type may violate these constraints.
  
  
  Solution:
  
  Create a New Characteristic: Instead of changing the data type of the existing characteristic,