Flow price: --
0689e8b6560270698ba8153ac185a1aab7b264687d74e8d3ec9039b3055cd283

Transaction

Hash: 0689e8b6560270698ba8153ac185a1aab7b264687d74e8d3ec9039b3055cd283
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0689e8b6560270698ba8153ac185a1aab7b264687d74e8d3ec9039b3055cd283:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0689e8b6560270698ba8153ac185a1aab7b264687d74e8d3ec9039b3055cd283
Status:
ERROR
Block height:
39872112
Block id:
b75823849dd28e4644f6be0f520cd4716e3d333165134fc1994f67c06375fa8e
Timestamp:
Friday 28 October 2022 at 14:40:36 UTC
()
Proposer:
Authorizers:
Gas used:
50