Flow price: --
6119cc6c1c34e04504d4efcdf49cf8b70d543bdb25e670d8005347b6a981599c

Transaction

Hash: 6119cc6c1c34e04504d4efcdf49cf8b70d543bdb25e670d8005347b6a981599c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6119cc6c1c34e04504d4efcdf49cf8b70d543bdb25e670d8005347b6a981599c: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:
6119cc6c1c34e04504d4efcdf49cf8b70d543bdb25e670d8005347b6a981599c
Status:
ERROR
Block height:
39904509
Block id:
e91afe985cc704972f7170669b0fdc7de190d40685978bd4b15b7ebe722e5388
Timestamp:
Saturday 29 October 2022 at 03:33:57 UTC
()
Proposer:
Authorizers:
Gas used:
50