"ExecutionError": "Smart contract panicked: assertion failed: The collection is an inconsistent state. Did previous smart contract execution terminate unexpectedly?\n at assert (build/contract.js:49)\n at replace (build/contract.js:854)\n at approve_purchase (build/contract.js:1497)\n at apply (native)\n at <anonymous> (build/contract.js:711)\n at approve_purchase (build/contract.js:1617)\n"