Flow price: --
f2b2d6e838e3bf6b09b399963925b456d237a5ebc0786d845a51dd5b5882b119

Transaction

Hash: f2b2d6e838e3bf6b09b399963925b456d237a5ebc0786d845a51dd5b5882b119
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2b2d6e838e3bf6b09b399963925b456d237a5ebc0786d845a51dd5b5882b119:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f2b2d6e838e3bf6b09b399963925b456d237a5ebc0786d845a51dd5b5882b119
Status:
ERROR
Block height:
39898820
Block id:
a5657987393b335e5dc548f1a4682b6ec93d398706590257960b71d2f7a93974
Timestamp:
Saturday 29 October 2022 at 01:17:55 UTC
()
Proposer:
Authorizers:
Gas used:
47