Flow price: --
548dbf51946b6d4e7a209a508f82affff880f16e227beb3c82ee449fa51eb709

Transaction

Hash: 548dbf51946b6d4e7a209a508f82affff880f16e227beb3c82ee449fa51eb709
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 548dbf51946b6d4e7a209a508f82affff880f16e227beb3c82ee449fa51eb709:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
548dbf51946b6d4e7a209a508f82affff880f16e227beb3c82ee449fa51eb709
Status:
ERROR
Block height:
39728973
Block id:
7314e8d7febab86e005cc92137969293cb8c395bde896663d9d71edf61a2585e
Timestamp:
Wednesday 26 October 2022 at 04:59:06 UTC
()
Proposer:
Authorizers:
Gas used:
50