Flow price: --
64937687c23aaa99468134e4edd8a3eb83e0acef3d50da85a08d5ea336a3e33d

Transaction

Hash: 64937687c23aaa99468134e4edd8a3eb83e0acef3d50da85a08d5ea336a3e33d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64937687c23aaa99468134e4edd8a3eb83e0acef3d50da85a08d5ea336a3e33d: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:
64937687c23aaa99468134e4edd8a3eb83e0acef3d50da85a08d5ea336a3e33d
Status:
ERROR
Block height:
40132896
Block id:
eb6b6816665d4d90e8b375848a2b982936aafe9338956469a82e2771a288721d
Timestamp:
Tuesday 1 November 2022 at 23:18:03 UTC
()
Proposer:
Authorizers:
Gas used:
49