Flow price: --
20bfa9c64d7730eb8696a64a4d2f9c10568407677f3ce1e0be6e32e52ce9fdcc

Transaction

Hash: 20bfa9c64d7730eb8696a64a4d2f9c10568407677f3ce1e0be6e32e52ce9fdcc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 20bfa9c64d7730eb8696a64a4d2f9c10568407677f3ce1e0be6e32e52ce9fdcc: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:
20bfa9c64d7730eb8696a64a4d2f9c10568407677f3ce1e0be6e32e52ce9fdcc
Status:
ERROR
Block height:
39898820
Block id:
a5657987393b335e5dc548f1a4682b6ec93d398706590257960b71d2f7a93974
Timestamp:
Saturday 29 October 2022 at 01:17:55 UTC
()
Proposer:
Authorizers:
Gas used:
49