Flow price: --
002f78d407c05a599771df1e49f3a4fadd8935959ecad5c75eefd1a5c399ca6b

Transaction

Hash: 002f78d407c05a599771df1e49f3a4fadd8935959ecad5c75eefd1a5c399ca6b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 002f78d407c05a599771df1e49f3a4fadd8935959ecad5c75eefd1a5c399ca6b: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:
002f78d407c05a599771df1e49f3a4fadd8935959ecad5c75eefd1a5c399ca6b
Status:
ERROR
Block height:
40084837
Block id:
91fed4047f8b4ee78ce3538c519166acc09e5889865c181d5f5162cc799d4356
Timestamp:
Tuesday 1 November 2022 at 03:45:18 UTC
()
Proposer:
Authorizers:
Gas used:
48