Error codes ยท National portal upload checks
ICTO011: ZIP file must contain one single report folder.
Rejects the file LU-CSSF
Official text
ZIP file must contain one single report folder.
How it appears in feedback
ICTO011 ZIP file must contain one single report folder.
What triggers it
Zero or several top-level folders (or loose files) at the zip root.
How to fix it
Exactly one root folder.
Raised by the CSSF eDesk upload step; the file never reaches content analysis.