Flow price: --
ef5256b7ca1219c252bbdc8c29587762092f3c55a43f4b4c8ec69d2f5749a910

Transaction

Hash: ef5256b7ca1219c252bbdc8c29587762092f3c55a43f4b4c8ec69d2f5749a910
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ef5256b7ca1219c252bbdc8c29587762092f3c55a43f4b4c8ec69d2f5749a910:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ef5256b7ca1219c252bbdc8c29587762092f3c55a43f4b4c8ec69d2f5749a910
Status:
ERROR
Block height:
39935637
Block id:
09f4a807213208069f33b35d041fd9de48e1560e184a7bf62d65101d0f55e558
Timestamp:
Saturday 29 October 2022 at 16:06:37 UTC
()
Proposer:
Authorizers:
Gas used:
50