E1812 — Insufficient token balance or allowance
What happened
Insufficient token balance or allowance. This is the receipt’swhat text, produced by the host-call result HostError::InsufficientTokenBalance.
Why it happened
The node rejected the operation withE1812 (category token, Token (CIP-20)). The receipt’s why field carries the specific cause and context carries structured details, when the emitter attaches any.
The normative rule is in CIP-20.
How to fix
Increase the sender’s token balance/allowance (or reduce the transfer/burn amount) before retrying the host-level token transfer, transfer_from, or burn call.Receipt example
All Error Codes
View the complete error code reference