APDU status word · ISO/IEC 7816-4 · EMV
6984Reference data not usable
What does APDU response 6984 mean?
Command not allowed: referenced data invalidated or not usable.
SW1
69
SW2
84
Category
Error
Defined in
ISO/IEC 7816-4
In an EMV transaction
- Some cards return 6984 instead of 6983 to VERIFY when the PIN is blocked; terminals treat both the same way.
- Can also mean a key or other reference data on the card has been invalidated.
Decode any value
Paste any SW1 SW2 status word — including proprietary and card-OS specific values — to look it up in the full list.
Open the APDU Response Codes