Flow price: --
471f00e61e79f12fe03cba9a8558894e08b8c28d19ca382e33d313182788ac96

Transaction

Hash: 471f00e61e79f12fe03cba9a8558894e08b8c28d19ca382e33d313182788ac96
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 471f00e61e79f12fe03cba9a8558894e08b8c28d19ca382e33d313182788ac96:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
471f00e61e79f12fe03cba9a8558894e08b8c28d19ca382e33d313182788ac96
Status:
ERROR
Block height:
40135055
Block id:
428567488fead92ae32ee83ddc78d5f8534cd92567f2379dffce8eada57df669
Timestamp:
Wednesday 2 November 2022 at 00:10:38 UTC
()
Proposer:
Authorizers:
Gas used:
47