Flow price: --
dc5077bb7dffa8f4989ad4d555be75a85f3393aa21092ec48e1d588980a70253

Transaction

Hash: dc5077bb7dffa8f4989ad4d555be75a85f3393aa21092ec48e1d588980a70253
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dc5077bb7dffa8f4989ad4d555be75a85f3393aa21092ec48e1d588980a70253:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dc5077bb7dffa8f4989ad4d555be75a85f3393aa21092ec48e1d588980a70253
Status:
ERROR
Block height:
40129374
Block id:
8d9b5e27985d74b8195a7e9ad916944094db6f38cbeee6883977c7e26bbc2ecc
Timestamp:
Tuesday 1 November 2022 at 21:50:53 UTC
()
Proposer:
Authorizers:
Gas used:
48