Flow price: --
3f4abd37128a15c584d8b9a910b19eb0cea10699d854cb54f4f36b750ac3aeae

Transaction

Hash: 3f4abd37128a15c584d8b9a910b19eb0cea10699d854cb54f4f36b750ac3aeae
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f4abd37128a15c584d8b9a910b19eb0cea10699d854cb54f4f36b750ac3aeae: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:
3f4abd37128a15c584d8b9a910b19eb0cea10699d854cb54f4f36b750ac3aeae
Status:
ERROR
Block height:
40036220
Block id:
78de049394ff45dd26ba920d65e887e5d9b3291202e22acd88baa3febdc0a742
Timestamp:
Monday 31 October 2022 at 08:12:44 UTC
()
Proposer:
Authorizers:
Gas used:
47