Flow price: --
30083d94f798b88e69cd8704056a897578b961b1ba124d8e0073e88644a8b8ba

Transaction

Hash: 30083d94f798b88e69cd8704056a897578b961b1ba124d8e0073e88644a8b8ba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 30083d94f798b88e69cd8704056a897578b961b1ba124d8e0073e88644a8b8ba: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:
30083d94f798b88e69cd8704056a897578b961b1ba124d8e0073e88644a8b8ba
Status:
ERROR
Block height:
40169819
Block id:
abc5ae5ea7feb51e634f14c4d1951de4d6bae38fe1d50d6bdb61fa18232266cd
Timestamp:
Wednesday 2 November 2022 at 14:16:13 UTC
()
Proposer:
Authorizers:
Gas used:
50