Flow price: --
31c9b40cc583bc85443a73649a2488bb59e7ac98eae8aa0791d8e160d8953143

Transaction

Hash: 31c9b40cc583bc85443a73649a2488bb59e7ac98eae8aa0791d8e160d8953143
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 31c9b40cc583bc85443a73649a2488bb59e7ac98eae8aa0791d8e160d8953143:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
31c9b40cc583bc85443a73649a2488bb59e7ac98eae8aa0791d8e160d8953143
Status:
ERROR
Block height:
39912593
Block id:
8ddd1aca03f2e190b69d05c1afb72f93276caedf13d74c409ed9c8f98c02c4ca
Timestamp:
Saturday 29 October 2022 at 06:48:21 UTC
()
Proposer:
Authorizers:
Gas used:
46