Error codes ยท National portal upload checks
ICTO002: Invalid files cannot be submitted.
Rejects the file LU-CSSF
Official text
Invalid files cannot be submitted.
How it appears in feedback
ICTO002 Invalid files cannot be submitted.
What triggers it
The uploaded file is not a compressed .zip (e.g. a renamed file).
How to fix it
Create a genuine zip archive.
Raised by the CSSF eDesk upload step; the file never reaches content analysis.