How To Fix CRM_FDT_MSG090 - You cannot change the data type after the attribute is saved

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_FDT_MSG -

• Message number: 090

• Message text: You cannot change the data type after the attribute is saved

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_FDT_MSG090 - You cannot change the data type after the attribute is saved ?

  The SAP error message CRM_FDT_MSG090 indicates that you are trying to change the data type of an attribute in a CRM (Customer Relationship Management) application after it has already been saved. This is a common issue when working with the Field Data Tool (FDT) in SAP CRM, where certain changes to attributes are restricted once they have been committed to the database.
  Cause:
  The primary cause of this error is that once an attribute's data type is defined and saved in the system, SAP enforces data integrity rules that prevent changes to the data type. This is to ensure that existing data remains consistent and that any dependent objects or configurations are not adversely affected by the change.
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check Dependencies: Before making any changes, check if there are any dependencies or references to the attribute that might be affected by a data type change.
  
  
  Create a New Attribute: If you need to change the data type, the recommended approach is to create a new attribute with the desired data type instead of modifying the existing one. You can then migrate any necessary data from the old attribute to the new one.
  
  
  Delete the Old Attribute: If the old attribute is no longer needed, you can delete it after ensuring that all necessary data has been migrated and that there are no dependencies on it.
  
  
  Consult Documentation: Review the SAP documentation or help resources related to the Field Data Tool and attribute management for any specific guidelines or best practices.
  
  
  Testing: After making changes, ensure to test the new attribute thoroughly to confirm that it behaves as expected and that there are no issues with data integrity.
  
  
  Related Information:
  
  Field Data Tool (FDT): This is a tool used in SAP CRM to manage fields and attributes for business objects. Understanding how FDT works can help in managing attributes effectively.
  Data Types in SAP: Familiarize yourself with the different data types available in SAP and their implications on data storage and processing.
  SAP Notes and Support: Check for any relevant SAP Notes that might provide additional insights or solutions related to this error message.
  
  If you continue to face issues or if the situation is complex, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.