Flow price: --
157fe80680131fab33de76706e999b7e0b8e9683fbf8bec79b22fc2f5b4e9595

Transaction

Hash: 157fe80680131fab33de76706e999b7e0b8e9683fbf8bec79b22fc2f5b4e9595
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 157fe80680131fab33de76706e999b7e0b8e9683fbf8bec79b22fc2f5b4e9595:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
157fe80680131fab33de76706e999b7e0b8e9683fbf8bec79b22fc2f5b4e9595
Status:
ERROR
Block height:
40031168
Block id:
2eb0708f05f554daf3d7210b0ef9d1d7401d618e8d883e7b9faf745c21d381d6
Timestamp:
Monday 31 October 2022 at 06:11:47 UTC
()
Proposer:
Authorizers:
Gas used:
47