Flow price: --
d2212e55c679d03027c79e37acec0fb9dbbd81cd163e1dbde5a0f4fa18753c4a

Transaction

Hash: d2212e55c679d03027c79e37acec0fb9dbbd81cd163e1dbde5a0f4fa18753c4a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d2212e55c679d03027c79e37acec0fb9dbbd81cd163e1dbde5a0f4fa18753c4a: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:
d2212e55c679d03027c79e37acec0fb9dbbd81cd163e1dbde5a0f4fa18753c4a
Status:
ERROR
Block height:
39759256
Block id:
cdbb53c1b2a62012aa3ebe0c2b5563e7a8f63db27873f0eb78255c767e8d988b
Timestamp:
Wednesday 26 October 2022 at 17:10:17 UTC
()
Proposer:
Authorizers:
Gas used:
49