Error codes ยท National portal upload checks
Error: OIM-CSV Validation failed. The OIM CSV package does not contain the required populated template files: Error: OIM-CSV Validation failed. The OIM CSV package does not contain the required populated template files
Rejects the file IE-CBI
Official text
Error: OIM-CSV Validation failed. The OIM CSV package does not contain the required populated template files
How it appears in feedback
Error: OIM-CSV Validation failed. The OIM CSV package does not contain the required populated template files
What triggers it
All templates were header-only; nothing to validate (EBA equivalent 724).
Templates: all templates
How to fix it
Populate at least B_01.xx.
Central Bank of Ireland Portal (2026 version performs upfront EBA validations; blocking errors must be fixed before finalise/sign-off, non-blocking ones may be commented in the 'Xbrl Non Blocking Rules Report' and submitted).