Flow price: --
c223509c4c04be9ff9f093587e59d5ca3f95835c0c4109093ac2b4a3b4d4e33a

Transaction

Hash: c223509c4c04be9ff9f093587e59d5ca3f95835c0c4109093ac2b4a3b4d4e33a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c223509c4c04be9ff9f093587e59d5ca3f95835c0c4109093ac2b4a3b4d4e33a: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:
c223509c4c04be9ff9f093587e59d5ca3f95835c0c4109093ac2b4a3b4d4e33a
Status:
ERROR
Block height:
39869764
Block id:
b249ad2ed446fbaac46f4298833cfcf6e12ad219bc100b2f2706138f96a6763c
Timestamp:
Friday 28 October 2022 at 13:43:48 UTC
()
Proposer:
Authorizers:
Gas used:
49