Flow price: --
5b74e948320eaa3a6a4e5d486323173f366c05c0be1abec37c2557829c8e9048

Transaction

Hash: 5b74e948320eaa3a6a4e5d486323173f366c05c0be1abec37c2557829c8e9048
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5b74e948320eaa3a6a4e5d486323173f366c05c0be1abec37c2557829c8e9048:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5b74e948320eaa3a6a4e5d486323173f366c05c0be1abec37c2557829c8e9048
Status:
ERROR
Block height:
39867783
Block id:
228a3d7f0f0d8b25a328d6cd590832b1b83417d68e56908e1122743727290998
Timestamp:
Friday 28 October 2022 at 12:56:26 UTC
()
Proposer:
Authorizers:
Gas used:
52