How To Fix KE478 - Caution: Be sure to save the proposal for the field assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 478

• Message text: Caution: Be sure to save the proposal for the field assignment

What causes this issue?

This field assignment for external data transfers is an initial
proposal for a possible assignment. It has <ZH>not</> been saved in the
database.

System Response

This message only appears if you have not yet saved a field assignment
for the selected assignment group.
Note that the field assignment you maintain here forms the basis for
generation of the ABAP program for transferring external data. If you
do not save this proposal, the program will not be generated.

How to fix this error?

Save the data. You may need to make at least a "pseudo-" change to a
field name.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE478 - Caution: Be sure to save the proposal for the field assignment ?

  The SAP error message KE478, which states "Caution: Be sure to save the proposal for the field assignment," typically occurs in the context of the Controlling (CO) module, particularly when dealing with cost center accounting, internal orders, or profit center accounting. This message is a warning rather than a critical error, indicating that there are unsaved changes or proposals related to field assignments that need to be addressed.
  Cause:
  
  Unsaved Changes: The most common cause of this message is that you have made changes to the field assignments in a configuration or master data transaction but have not yet saved those changes.
  Field Assignment Proposal: You may be working with a proposal for field assignments that needs to be saved to ensure that the changes take effect.
  User Action: The user may have navigated away from the screen or attempted to execute a function without saving the current proposal.
  
  Solution:
  
  Save the Proposal: The immediate solution is to save the changes you have made. Look for a "Save" button or use the keyboard shortcut (usually Ctrl + S) to save your work.
  Review Changes: Before saving, review the changes to ensure they are correct and meet your requirements.
  Check for Dependencies: If the proposal involves multiple fields or configurations, ensure that all related settings are correctly configured before saving.
  Consult Documentation: If you are unsure about the changes you are making, consult SAP documentation or your organization's SAP guidelines for field assignments.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to CO, such as KSV1 (Create Plan for Cost Centers), KSV2 (Change Plan for Cost Centers), or KSV3 (Display Plan for Cost Centers).
  User Authorization: Ensure that you have the necessary authorizations to make changes in the CO module.
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this warning message.
  Training and Support: If you are new to SAP or the CO module, consider seeking training or support from your organization's SAP team or consulting resources.
  
  By following these steps, you should be able to resolve the KE478 warning and ensure that your field assignments are saved correctly.