update assignment using Spreadsheet Data Loader

Summary:

Using Spreadsheet Data Loader to mass update default expense account getting error:

The corresponding date effective record in the WorkTerms for date 2024-03-13, action ASG_CHANGE, and effective sequence 1 is missing for the Assignments., Work terms records are required when you create or update assignments.

Content (please ensure you mask any confidential information):

Hello Experts,

While trying to update the default expense account for employees using loading file I'm getting the above error.

I'm inserting into the file the existing record and also the new record with the updated dates and account with assignment and work terms fields.