{ "type": "action", "error": { "type": "functionCallError", "error": { "type": "executionError", "error": "Smart contract panicked: assertion failed: Error: Token is not for sale\n at assert$1 (build/wyvern-exchange.js:182)\n at cancelSale (build/wyvern-exchange.js:413)\n at cancelSale (build/wyvern-exchange.js:535)\n" } } }