What this EFAST2 message means
The DOL common-errors publication says this warning can appear when a Form 5500, 5500-SF or 5500-EZ is received after the normal or extended due date.
What to review
Review whether a timely extension applies; if filing under the Delinquent Filer Voluntary Compliance Program (DFVCP), verify the current DFVCP indicator and instructions.
Use the exact filing message. EFAST2 messages can change by form year and filing facts. Do not make a filing change solely from this summary.
Official source: DOL/EFAST2 — Most Common EFAST2 Registration, Login, and Filing Errors.
Related tools
Reference-only page: LawFirmSoftware.com is not currently offering Form 5500 software for sale. This free page remains available as a filing reference. Browse Form 5500 resources.