Flow price: --
c72bbe7099b9b69ecccfd1093f02003e386c08f8b4e66c199e72181d56324de8

Transaction

Hash: c72bbe7099b9b69ecccfd1093f02003e386c08f8b4e66c199e72181d56324de8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c72bbe7099b9b69ecccfd1093f02003e386c08f8b4e66c199e72181d56324de8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c72bbe7099b9b69ecccfd1093f02003e386c08f8b4e66c199e72181d56324de8
Status:
ERROR
Block height:
40030036
Block id:
670c1dc8617e737b68e6afeac4b5eb8bb4ad64e978a16bca3dd18702539be308
Timestamp:
Monday 31 October 2022 at 05:44:06 UTC
()
Proposer:
Authorizers:
Gas used:
46