Flow price: --
40e3e3439c81086293999031dc85a1abe4036041675e4f62e28c42c888da70f9

Transaction

Hash: 40e3e3439c81086293999031dc85a1abe4036041675e4f62e28c42c888da70f9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 40e3e3439c81086293999031dc85a1abe4036041675e4f62e28c42c888da70f9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
40e3e3439c81086293999031dc85a1abe4036041675e4f62e28c42c888da70f9
Status:
ERROR
Block height:
39940195
Block id:
e8776e5a13abfc6a6a654687a27ae6786e363265b65f39ab81b5861394ffd4e7
Timestamp:
Saturday 29 October 2022 at 17:56:31 UTC
()
Proposer:
Authorizers:
Gas used:
49