Flow price: --
903b6b5d44d0ba531353f41ef62bfb7b184ef4239a478356dfd403de512b38e4

Transaction

Hash: 903b6b5d44d0ba531353f41ef62bfb7b184ef4239a478356dfd403de512b38e4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 903b6b5d44d0ba531353f41ef62bfb7b184ef4239a478356dfd403de512b38e4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
903b6b5d44d0ba531353f41ef62bfb7b184ef4239a478356dfd403de512b38e4
Status:
ERROR
Block height:
40094401
Block id:
05ebfcf6b9fcddc9273d6281b6eeea6b42ad32c06be611a00944cdfaa1752195
Timestamp:
Tuesday 1 November 2022 at 07:38:51 UTC
()
Proposer:
Authorizers:
Gas used:
47