Flow price: --
643b8ad46d8cfbef3a20a5612ba285b96c71c96ada1fb74d95fe0d5b5e2befc3

Transaction

Hash: 643b8ad46d8cfbef3a20a5612ba285b96c71c96ada1fb74d95fe0d5b5e2befc3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 643b8ad46d8cfbef3a20a5612ba285b96c71c96ada1fb74d95fe0d5b5e2befc3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
643b8ad46d8cfbef3a20a5612ba285b96c71c96ada1fb74d95fe0d5b5e2befc3
Status:
ERROR
Block height:
39733740
Block id:
0a05a0c792f978f873469e646e45002e2e8cff9c9cff52c0ea0178848678d81f
Timestamp:
Wednesday 26 October 2022 at 06:54:15 UTC
()
Proposer:
Authorizers:
Gas used:
46