Flow price: --
e1ed42c035a6271c70e9a18ac114172f56cffa9a2116fc7771d35f643916eec5

Transaction

Hash: e1ed42c035a6271c70e9a18ac114172f56cffa9a2116fc7771d35f643916eec5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e1ed42c035a6271c70e9a18ac114172f56cffa9a2116fc7771d35f643916eec5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e1ed42c035a6271c70e9a18ac114172f56cffa9a2116fc7771d35f643916eec5
Status:
ERROR
Block height:
40122242
Block id:
ae6614ce5dcbe3de249f751a7c558c2017723a85d6485b1a2b6809bf206e6856
Timestamp:
Tuesday 1 November 2022 at 18:55:30 UTC
()
Proposer:
Authorizers:
Gas used:
61