Flow price: --
c262091b6855c137446c74aa994d5ef45cf0de48d004bd3f167d530422150ac5

Transaction

Hash: c262091b6855c137446c74aa994d5ef45cf0de48d004bd3f167d530422150ac5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c262091b6855c137446c74aa994d5ef45cf0de48d004bd3f167d530422150ac5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c262091b6855c137446c74aa994d5ef45cf0de48d004bd3f167d530422150ac5
Status:
ERROR
Block height:
40055141
Block id:
2211c6ffda5981771a20e8eff106344c4ceae562db7e1866749ff2733641dcdd
Timestamp:
Monday 31 October 2022 at 15:50:58 UTC
()
Proposer:
Authorizers:
Gas used:
46