Flow price: --
f408f931ba89fbd3025dd4416c2ff7c1c4016105af4f40d4208b6f8a637d51c1

Transaction

Hash: f408f931ba89fbd3025dd4416c2ff7c1c4016105af4f40d4208b6f8a637d51c1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f408f931ba89fbd3025dd4416c2ff7c1c4016105af4f40d4208b6f8a637d51c1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f408f931ba89fbd3025dd4416c2ff7c1c4016105af4f40d4208b6f8a637d51c1
Status:
ERROR
Block height:
40065103
Block id:
e4bc445363191f635f19cef56c4a9c825b5868a03b9d5059b919811739ab991d
Timestamp:
Monday 31 October 2022 at 19:53:02 UTC
()
Proposer:
Authorizers:
Gas used:
46