Flow price: --
4f180298b1e8e51bfd608e90cf09899129960798bf1249c7477bd2186a0cdea7

Transaction

Hash: 4f180298b1e8e51bfd608e90cf09899129960798bf1249c7477bd2186a0cdea7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f180298b1e8e51bfd608e90cf09899129960798bf1249c7477bd2186a0cdea7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f180298b1e8e51bfd608e90cf09899129960798bf1249c7477bd2186a0cdea7
Status:
ERROR
Block height:
40083442
Block id:
ce4bd983de48f611a3c480c5eab5b0d2d786ce10a23a3eb896231fdf05fd7605
Timestamp:
Tuesday 1 November 2022 at 03:11:13 UTC
()
Proposer:
Authorizers:
Gas used:
64