Flow price: --
21e0b4e71ef2487ff9ee97d04cc866f1d9bc5c378632163fbb0d0ff2fd1c8be7

Transaction

Hash: 21e0b4e71ef2487ff9ee97d04cc866f1d9bc5c378632163fbb0d0ff2fd1c8be7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21e0b4e71ef2487ff9ee97d04cc866f1d9bc5c378632163fbb0d0ff2fd1c8be7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21e0b4e71ef2487ff9ee97d04cc866f1d9bc5c378632163fbb0d0ff2fd1c8be7
Status:
ERROR
Block height:
39973288
Block id:
24da43208feb0fffeaecb61ca5b2898d741e804599e5bc988b63e3238cbe7844
Timestamp:
Sunday 30 October 2022 at 07:05:26 UTC
()
Proposer:
Authorizers:
Gas used:
47