Flow price: --
33fb8950e366af805237e32c081e5d2a30603eb0eb08a3130520256cc84eb78b

Transaction

Hash: 33fb8950e366af805237e32c081e5d2a30603eb0eb08a3130520256cc84eb78b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 33fb8950e366af805237e32c081e5d2a30603eb0eb08a3130520256cc84eb78b: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:
33fb8950e366af805237e32c081e5d2a30603eb0eb08a3130520256cc84eb78b
Status:
ERROR
Block height:
40054540
Block id:
6763cf07b1698c4c7db3a1540a4a45986229aa3ae0e2635eb6c269f48d45dd80
Timestamp:
Monday 31 October 2022 at 15:36:26 UTC
()
Proposer:
Authorizers:
Gas used:
47