Flow price: --
30980a35a7f78611046bcd6cc9f6a277eb8e73297b671c1447b4765b54570749

Transaction

Hash: 30980a35a7f78611046bcd6cc9f6a277eb8e73297b671c1447b4765b54570749
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 30980a35a7f78611046bcd6cc9f6a277eb8e73297b671c1447b4765b54570749:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
30980a35a7f78611046bcd6cc9f6a277eb8e73297b671c1447b4765b54570749
Status:
ERROR
Block height:
40042259
Block id:
b70ef429a39b140bdfbced8a8d212efe2b655da258d4672d737bc5742d3d4ee2
Timestamp:
Monday 31 October 2022 at 10:38:57 UTC
()
Proposer:
Authorizers:
Gas used:
47