Flow price: --
b86c6c85e61f8d210d53b5a6ddd3f84190721419ed645eae07f4ced180f0b754

Transaction

Hash: b86c6c85e61f8d210d53b5a6ddd3f84190721419ed645eae07f4ced180f0b754
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b86c6c85e61f8d210d53b5a6ddd3f84190721419ed645eae07f4ced180f0b754:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b86c6c85e61f8d210d53b5a6ddd3f84190721419ed645eae07f4ced180f0b754
Status:
ERROR
Block height:
40032970
Block id:
23cac67fbe1f42d6cea8ade6c419c9e10a70cc19be7ca158b79b6e902b7869de
Timestamp:
Monday 31 October 2022 at 06:55:18 UTC
()
Proposer:
Authorizers:
Gas used:
50