Flow price: --
1716b589ffb443cf503af9df63f17e8b6c40d4e81ed523dca0d173139e9af338

Transaction

Hash: 1716b589ffb443cf503af9df63f17e8b6c40d4e81ed523dca0d173139e9af338
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1716b589ffb443cf503af9df63f17e8b6c40d4e81ed523dca0d173139e9af338:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1716b589ffb443cf503af9df63f17e8b6c40d4e81ed523dca0d173139e9af338
Status:
ERROR
Block height:
39842678
Block id:
caff56086ea4375e70fdb5ec1e5fab5d0f121f50b9b67c6951952e8c1b5b4e24
Timestamp:
Friday 28 October 2022 at 02:48:44 UTC
()
Proposer:
Authorizers:
Gas used:
47