Flow price: --
cd80c71ce3aee85fb9eae3a90595e67a48f81487f7649d6871375a9fcffd8d40

Transaction

Hash: cd80c71ce3aee85fb9eae3a90595e67a48f81487f7649d6871375a9fcffd8d40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd80c71ce3aee85fb9eae3a90595e67a48f81487f7649d6871375a9fcffd8d40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cd80c71ce3aee85fb9eae3a90595e67a48f81487f7649d6871375a9fcffd8d40
Status:
ERROR
Block height:
40135196
Block id:
e824134d5ff5af6f810b0e10bccab77853fddc4c1796b189b3fb26bc69a7243b
Timestamp:
Wednesday 2 November 2022 at 00:14:06 UTC
()
Proposer:
Authorizers:
Gas used:
46