Flow price: --
60560eec3417e945f8dd632f4a530e4396fbac60cde3187b4b3d830e11840dc3

Transaction

Hash: 60560eec3417e945f8dd632f4a530e4396fbac60cde3187b4b3d830e11840dc3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 60560eec3417e945f8dd632f4a530e4396fbac60cde3187b4b3d830e11840dc3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
60560eec3417e945f8dd632f4a530e4396fbac60cde3187b4b3d830e11840dc3
Status:
ERROR
Block height:
39755934
Block id:
1e5c31f0839beaa1979dec0147345fa057bc7af43f3f799a4672ad73e3109079
Timestamp:
Wednesday 26 October 2022 at 15:49:19 UTC
()
Proposer:
Authorizers:
Gas used:
46