Importing AR invoice using FBDI failed

When importing AR invoices, the Import AutoInvoice process encounters an error with the message, "You must enter a valid context for the GARPAC Conversion Invoice flexfield." However, the "GARPAC Conversion Invoice" context is no longer in my import template. Is it possible that this error message persists because the data related to this entry is stuck in the interface, and the error keeps recurring? How can I resolve this issue? I have already tried using the "Purge AutoInvoice Interface Data" process to clear the interface table data, but the error still appears subsequently. I have uploaded the FBDI template and