Flow price: --
f2febb594d3890fc8e2502f806fdc75170483ea740045af2e5f1b43325c8d2b6

Transaction

Hash: f2febb594d3890fc8e2502f806fdc75170483ea740045af2e5f1b43325c8d2b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2febb594d3890fc8e2502f806fdc75170483ea740045af2e5f1b43325c8d2b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f2febb594d3890fc8e2502f806fdc75170483ea740045af2e5f1b43325c8d2b6
Status:
ERROR
Block height:
39863451
Block id:
ed884df78754dab43fcb8322a1a62abc59bf0c455f8ee6bf67fdd410fddc5ace
Timestamp:
Friday 28 October 2022 at 11:12:02 UTC
()
Proposer:
Authorizers:
Gas used:
46