Flow price: --
2788ba76bb03a64cece52fed5c6f34e09ed8a73c5ac5ca0b93caaf48c9b4f5da

Transaction

Hash: 2788ba76bb03a64cece52fed5c6f34e09ed8a73c5ac5ca0b93caaf48c9b4f5da
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2788ba76bb03a64cece52fed5c6f34e09ed8a73c5ac5ca0b93caaf48c9b4f5da: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:
2788ba76bb03a64cece52fed5c6f34e09ed8a73c5ac5ca0b93caaf48c9b4f5da
Status:
ERROR
Block height:
39920599
Block id:
516095e9a5208649be644d9439211e56651644db82bfce84833c221fd726852e
Timestamp:
Saturday 29 October 2022 at 10:01:14 UTC
()
Proposer:
Authorizers:
Gas used:
47