Flow price: --
ba103b7dc8e5cbcaeb358025e4141ff25fd1b26bc6be1959e4d43107b37a6457

Transaction

Hash: ba103b7dc8e5cbcaeb358025e4141ff25fd1b26bc6be1959e4d43107b37a6457
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ba103b7dc8e5cbcaeb358025e4141ff25fd1b26bc6be1959e4d43107b37a6457:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ba103b7dc8e5cbcaeb358025e4141ff25fd1b26bc6be1959e4d43107b37a6457
Status:
ERROR
Block height:
40149403
Block id:
ef23192bf4ac2de83296248f00c6ea63a6dc638cba2b941c41f7c8c6b6dcbe3d
Timestamp:
Wednesday 2 November 2022 at 05:59:29 UTC
()
Proposer:
Authorizers:
Gas used:
47