Flow price: --
d50e453dc2789306f054ab7c90bf18e41b1f9d05e2977e35f06e83903deeece5

Transaction

Hash: d50e453dc2789306f054ab7c90bf18e41b1f9d05e2977e35f06e83903deeece5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d50e453dc2789306f054ab7c90bf18e41b1f9d05e2977e35f06e83903deeece5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d50e453dc2789306f054ab7c90bf18e41b1f9d05e2977e35f06e83903deeece5
Status:
ERROR
Block height:
39790137
Block id:
bf1e5edace9c1733f0265746fe1317b92facd81efbdd762bc118a0cb11242efd
Timestamp:
Thursday 27 October 2022 at 05:36:23 UTC
()
Proposer:
Authorizers:
Gas used:
51