Flow price: --
b4d79d132dc7a158b4982afaae382e77ff55a6704af3d03768b09979bf697056

Transaction

Hash: b4d79d132dc7a158b4982afaae382e77ff55a6704af3d03768b09979bf697056
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4d79d132dc7a158b4982afaae382e77ff55a6704af3d03768b09979bf697056:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4d79d132dc7a158b4982afaae382e77ff55a6704af3d03768b09979bf697056
Status:
ERROR
Block height:
39993168
Block id:
5fe402625e7facf583c921e05bd3bb086fca9de26f3ec988678b79cd417ac247
Timestamp:
Sunday 30 October 2022 at 15:01:34 UTC
()
Proposer:
Authorizers:
Gas used:
47