Flow price: --
5fcdc52c473a9a058f38bec1bbf273f0d44abf6a21b2c938d99aa34b339ee3bd

Transaction

Hash: 5fcdc52c473a9a058f38bec1bbf273f0d44abf6a21b2c938d99aa34b339ee3bd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5fcdc52c473a9a058f38bec1bbf273f0d44abf6a21b2c938d99aa34b339ee3bd: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:
5fcdc52c473a9a058f38bec1bbf273f0d44abf6a21b2c938d99aa34b339ee3bd
Status:
ERROR
Block height:
39999758
Block id:
21091246650d2b51df0ef4abde67e24650b882670b31308e8452410876f95169
Timestamp:
Sunday 30 October 2022 at 17:40:27 UTC
()
Proposer:
Authorizers:
Gas used:
46