Flow price: --
0918c533f9037a634e7a81db8bf50a180feb485ce4aeb65b029bbc4b5ee93bbb

Transaction

Hash: 0918c533f9037a634e7a81db8bf50a180feb485ce4aeb65b029bbc4b5ee93bbb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0918c533f9037a634e7a81db8bf50a180feb485ce4aeb65b029bbc4b5ee93bbb: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:
0918c533f9037a634e7a81db8bf50a180feb485ce4aeb65b029bbc4b5ee93bbb
Status:
ERROR
Block height:
40053610
Block id:
0257864df22dc9d4d86825d4c7e2438c95a21414bf1fb5e31e17a9300a8187cb
Timestamp:
Monday 31 October 2022 at 15:13:43 UTC
()
Proposer:
Authorizers:
Gas used:
47