Flow price: --
d7c43e61f249bcaf989cc6ebc38618bb9839fadd3cf8f7056a4c0e3340ab932d

Transaction

Hash: d7c43e61f249bcaf989cc6ebc38618bb9839fadd3cf8f7056a4c0e3340ab932d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7c43e61f249bcaf989cc6ebc38618bb9839fadd3cf8f7056a4c0e3340ab932d: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:
d7c43e61f249bcaf989cc6ebc38618bb9839fadd3cf8f7056a4c0e3340ab932d
Status:
ERROR
Block height:
40040187
Block id:
9f195263da0c375229a2459e2f7f53eabb5d6c191afe431b81cae147e193813a
Timestamp:
Monday 31 October 2022 at 09:48:30 UTC
()
Proposer:
Authorizers:
Gas used:
50