Flow price: --
b6d74f8c2dc7b77a13bc6e4b6c23f471cbeab97ee9514d8956ac7acf2a82fbff

Transaction

Hash: b6d74f8c2dc7b77a13bc6e4b6c23f471cbeab97ee9514d8956ac7acf2a82fbff
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6d74f8c2dc7b77a13bc6e4b6c23f471cbeab97ee9514d8956ac7acf2a82fbff: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:
b6d74f8c2dc7b77a13bc6e4b6c23f471cbeab97ee9514d8956ac7acf2a82fbff
Status:
ERROR
Block height:
40029759
Block id:
aa58e17abd0e9239f1b26f73fdc25bbcba8927339f8fb464fbf96f235cf95777
Timestamp:
Monday 31 October 2022 at 05:37:37 UTC
()
Proposer:
Authorizers:
Gas used:
48