Flow price: --
9e496c357f9b2907f0831cd4392c20f1e919915f3e711c41ddd6b539a95ac58f

Transaction

Hash: 9e496c357f9b2907f0831cd4392c20f1e919915f3e711c41ddd6b539a95ac58f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e496c357f9b2907f0831cd4392c20f1e919915f3e711c41ddd6b539a95ac58f: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:
9e496c357f9b2907f0831cd4392c20f1e919915f3e711c41ddd6b539a95ac58f
Status:
ERROR
Block height:
40115798
Block id:
55c1682009b788515c4c2b405d5d01d29e27e671a2e34b1f4b3b8872478efac9
Timestamp:
Tuesday 1 November 2022 at 16:18:53 UTC
()
Proposer:
Authorizers:
Gas used:
47