Flow price: --
42c6eb240974f2a1e83a239fb4e7c7a4febea563faa463779f1a78beadf390ac

Transaction

Hash: 42c6eb240974f2a1e83a239fb4e7c7a4febea563faa463779f1a78beadf390ac
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 42c6eb240974f2a1e83a239fb4e7c7a4febea563faa463779f1a78beadf390ac: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:
42c6eb240974f2a1e83a239fb4e7c7a4febea563faa463779f1a78beadf390ac
Status:
ERROR
Block height:
40170126
Block id:
e74087fd72188fd78002877599a6caf7c20b51dec8bb56f0cb81fd94a21af765
Timestamp:
Wednesday 2 November 2022 at 14:23:31 UTC
()
Proposer:
Authorizers:
Gas used:
50