Flow price: --
9db71ef57dd8f712d36923f7bc645553cbdabac262ee5b1fa63e3195883d14fe

Transaction

Hash: 9db71ef57dd8f712d36923f7bc645553cbdabac262ee5b1fa63e3195883d14fe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9db71ef57dd8f712d36923f7bc645553cbdabac262ee5b1fa63e3195883d14fe: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:
9db71ef57dd8f712d36923f7bc645553cbdabac262ee5b1fa63e3195883d14fe
Status:
ERROR
Block height:
39861533
Block id:
87319cd374ffd01e79ac0ea77c6a668f2f86b053d53623a8ea24e25e3ec3a17f
Timestamp:
Friday 28 October 2022 at 10:25:46 UTC
()
Proposer:
Authorizers:
Gas used:
47