Flow price: --
e7e8bb335f5ccc500c62a7c5fbaf8552cd3842714fd968619b7b1254266de108

Transaction

Hash: e7e8bb335f5ccc500c62a7c5fbaf8552cd3842714fd968619b7b1254266de108
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e7e8bb335f5ccc500c62a7c5fbaf8552cd3842714fd968619b7b1254266de108:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e7e8bb335f5ccc500c62a7c5fbaf8552cd3842714fd968619b7b1254266de108
Status:
ERROR
Block height:
39910764
Block id:
423ff84aa7e43c63b71172116e389a25cd15d1c45628421cf80faf84016a7109
Timestamp:
Saturday 29 October 2022 at 06:04:13 UTC
()
Proposer:
Authorizers:
Gas used:
46