Flow price: --
6d99776bd556ae17b2a8eb7fac97aface2f5f5319a4a778c7c45a2f88e04995e

Transaction

Hash: 6d99776bd556ae17b2a8eb7fac97aface2f5f5319a4a778c7c45a2f88e04995e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6d99776bd556ae17b2a8eb7fac97aface2f5f5319a4a778c7c45a2f88e04995e: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:
6d99776bd556ae17b2a8eb7fac97aface2f5f5319a4a778c7c45a2f88e04995e
Status:
ERROR
Block height:
40030785
Block id:
dd0bf30defaa0b7eb90fc306f24a7a353b1012f001aa593c86b98aa17aa16908
Timestamp:
Monday 31 October 2022 at 06:02:20 UTC
()
Proposer:
Authorizers:
Gas used:
51