Flow price: --
6001c96022e98f58e7383ddae29bd27a4e69cf361a5081260c0adebcc23f6f28

Transaction

Hash: 6001c96022e98f58e7383ddae29bd27a4e69cf361a5081260c0adebcc23f6f28
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6001c96022e98f58e7383ddae29bd27a4e69cf361a5081260c0adebcc23f6f28:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6001c96022e98f58e7383ddae29bd27a4e69cf361a5081260c0adebcc23f6f28
Status:
ERROR
Block height:
39935874
Block id:
cb5ea19ddfce09e9d13d95888883dfe7fa67ff9b96c2dcefecd5f03fb7b43314
Timestamp:
Saturday 29 October 2022 at 16:12:22 UTC
()
Proposer:
Authorizers:
Gas used:
46