OutOfBounds

A pointer and length pair passed to a contract API host function references memory outside the contract's sandbox. Check the buffer pointers and lengths the contract passes to seal functions; this usually indicates a low-level contract bug.

Declared by the Contracts pallet; it classifies to the semantic code invalid_argument.

Remediation

Check the argument values against the operation schema

The same explanation is available in the terminal: btcli explain OutOfBounds.