"ExecutionError": "Smart contract panicked: panicked at \'assertion failed: `(left != right)`\n left: `\"mohamadreza_sepehri.testnet\"`,\n right: `\"mohamadreza_sepehri.testnet\"`: Current and next owner must differ\', /Users/klaus/ideas-nft-marketplace/blockchain/smart_contracts/near/near-contract-standards-3.2.0/src/non_fungible_token/core/core_impl.rs:280:9"