Flow price: --
d57fc8a78f9e8ed400e1c1f681e21362535944e219e434ba840c517386aefcf6

Transaction

Hash: d57fc8a78f9e8ed400e1c1f681e21362535944e219e434ba840c517386aefcf6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d57fc8a78f9e8ed400e1c1f681e21362535944e219e434ba840c517386aefcf6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d57fc8a78f9e8ed400e1c1f681e21362535944e219e434ba840c517386aefcf6
Status:
ERROR
Block height:
40093561
Block id:
c2f29adc2f6c0ea74c9c5ba961403a659ee55e51df8a1fbcb631ec7e21c27ecf
Timestamp:
Tuesday 1 November 2022 at 07:18:39 UTC
()
Proposer:
Authorizers:
Gas used:
49