Flow price: --
c0ecec735af1c00625e2cefa14d7e5b63f00a4b24a4a50953fd1f7b9ccdcd211

Transaction

Hash: c0ecec735af1c00625e2cefa14d7e5b63f00a4b24a4a50953fd1f7b9ccdcd211
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0ecec735af1c00625e2cefa14d7e5b63f00a4b24a4a50953fd1f7b9ccdcd211:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c0ecec735af1c00625e2cefa14d7e5b63f00a4b24a4a50953fd1f7b9ccdcd211
Status:
ERROR
Block height:
40098554
Block id:
3bd3408ba7b28268663b9fdd4243e645168177e165faeb735335375cf553ac72
Timestamp:
Tuesday 1 November 2022 at 09:20:21 UTC
()
Proposer:
Authorizers:
Gas used:
49