Flow price: --
7a6b403ac793185438c719d499e5e2855c1be91068e2e915d76e87b81b85b6af

Transaction

Hash: 7a6b403ac793185438c719d499e5e2855c1be91068e2e915d76e87b81b85b6af
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7a6b403ac793185438c719d499e5e2855c1be91068e2e915d76e87b81b85b6af: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:
7a6b403ac793185438c719d499e5e2855c1be91068e2e915d76e87b81b85b6af
Status:
ERROR
Block height:
39987344
Block id:
2629927c504c19dd9110f1c76ba249d2388a3eefa8af17a172d5f4a4a206fd97
Timestamp:
Sunday 30 October 2022 at 12:42:01 UTC
()
Proposer:
Authorizers:
Gas used:
49