Flow price: --
638e55befd182a6831a3c70deaa46a1eacfa3c467d732bf19bfbc1d17e428dc1

Transaction

Hash: 638e55befd182a6831a3c70deaa46a1eacfa3c467d732bf19bfbc1d17e428dc1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 638e55befd182a6831a3c70deaa46a1eacfa3c467d732bf19bfbc1d17e428dc1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
638e55befd182a6831a3c70deaa46a1eacfa3c467d732bf19bfbc1d17e428dc1
Status:
ERROR
Block height:
39899326
Block id:
6d964c4e71980d1c4b107917d155bbe8e840aedd5076e06724e6eddd0dae6b5c
Timestamp:
Saturday 29 October 2022 at 01:29:56 UTC
()
Proposer:
Authorizers:
Gas used:
47