Flow price: --
522c3ada3ec82c4672d0c9744fda28a63b87cdd9ebb2a9d49a044f357e032bd3

Transaction

Hash: 522c3ada3ec82c4672d0c9744fda28a63b87cdd9ebb2a9d49a044f357e032bd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 522c3ada3ec82c4672d0c9744fda28a63b87cdd9ebb2a9d49a044f357e032bd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
522c3ada3ec82c4672d0c9744fda28a63b87cdd9ebb2a9d49a044f357e032bd3
Status:
ERROR
Block height:
40130357
Block id:
1bf93ad300d2e6b3d53d2b4b6e318f622cacc08efa00802f0234ee81ea2aa96d
Timestamp:
Tuesday 1 November 2022 at 22:15:40 UTC
()
Proposer:
Authorizers:
Gas used:
52