Flow price: --
1605804ca7cb86526fd6a44706fa7af8cfa41d1e86ffdde7eb85e473aa3be042

Transaction

Hash: 1605804ca7cb86526fd6a44706fa7af8cfa41d1e86ffdde7eb85e473aa3be042
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1605804ca7cb86526fd6a44706fa7af8cfa41d1e86ffdde7eb85e473aa3be042:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1605804ca7cb86526fd6a44706fa7af8cfa41d1e86ffdde7eb85e473aa3be042
Status:
ERROR
Block height:
39731875
Block id:
4e9a509b761fd77f6cc3ef099478d2a4377d13ce790091c5a71f2ea7132e47f5
Timestamp:
Wednesday 26 October 2022 at 06:08:36 UTC
()
Proposer:
Authorizers:
Gas used:
46