Flow price: --
f86b3835f2df91bdd21ebd43af8c8cdd694b41860af650982e4a0634edd1d220

Transaction

Hash: f86b3835f2df91bdd21ebd43af8c8cdd694b41860af650982e4a0634edd1d220
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f86b3835f2df91bdd21ebd43af8c8cdd694b41860af650982e4a0634edd1d220:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f86b3835f2df91bdd21ebd43af8c8cdd694b41860af650982e4a0634edd1d220
Status:
ERROR
Block height:
40168557
Block id:
963ed79d59811a52661e3fb14b9a879d3df2d7f3c9f6394c280de5c9a98e0330
Timestamp:
Wednesday 2 November 2022 at 13:45:21 UTC
()
Proposer:
Authorizers:
Gas used:
50