Flow price: --
c2380ee2c59e1073e8dbd7cf1942a86fa8b6035e63a53d69bc6b49186849e661

Transaction

Hash: c2380ee2c59e1073e8dbd7cf1942a86fa8b6035e63a53d69bc6b49186849e661
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c2380ee2c59e1073e8dbd7cf1942a86fa8b6035e63a53d69bc6b49186849e661:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c2380ee2c59e1073e8dbd7cf1942a86fa8b6035e63a53d69bc6b49186849e661
Status:
ERROR
Block height:
40119810
Block id:
d229438ed7c67ff50123d80556bafe2b8769697b862a16b354e6e8f680a0ee5f
Timestamp:
Tuesday 1 November 2022 at 17:56:41 UTC
()
Proposer:
Authorizers:
Gas used:
45