Error codes ยท xBRL processor messages (CSSF and others)
xbrlce:invalidPeriodRepresentation: A date cell is not yyyy-mm-dd.
Rejects the file LU-CSSF
Official text
[xbrlce:invalidPeriodRepresentation] Table [table] row [row] column [column] has lexical syntax issue with date [value], from report dimension, url: [csv]
How it appears in feedback
[xbrlce:invalidPeriodRepresentation] Table [table] row [row] column [column] has lexical syntax issue with date [value], from report dimension, url: [csv]
What triggers it
A date cell is not yyyy-mm-dd.
Templates: date columns
How to fix it
ISO dates only; do not open in Excel.
Message as rendered in the CSSF eDesk 'Validation rules' section / feedback .xlsx. Error = rejection; warning = fix and resubmit if possible.