Flow price: --
9a37dae31880c3b0c2acada6706c4d989857bde23d706d749b84b1a63fb2bcba

Transaction

Hash: 9a37dae31880c3b0c2acada6706c4d989857bde23d706d749b84b1a63fb2bcba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a37dae31880c3b0c2acada6706c4d989857bde23d706d749b84b1a63fb2bcba: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:
9a37dae31880c3b0c2acada6706c4d989857bde23d706d749b84b1a63fb2bcba
Status:
ERROR
Block height:
40154379
Block id:
ee36162d8cf2867250ef3cf0bbfce49218a924023cd36ff4843be6d1d1c876fa
Timestamp:
Wednesday 2 November 2022 at 08:01:26 UTC
()
Proposer:
Authorizers:
Gas used:
51