Flow price: --
b4060f8b94883cb3deec142d24bc051fa6d4236d22c6dfc64d3608e7b31a1c10

Transaction

Hash: b4060f8b94883cb3deec142d24bc051fa6d4236d22c6dfc64d3608e7b31a1c10
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4060f8b94883cb3deec142d24bc051fa6d4236d22c6dfc64d3608e7b31a1c10:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4060f8b94883cb3deec142d24bc051fa6d4236d22c6dfc64d3608e7b31a1c10
Status:
ERROR
Block height:
40164829
Block id:
2fb3df1448e1488b8286d395884822d31bbcf6ba24bf25e561d93adf1649851c
Timestamp:
Wednesday 2 November 2022 at 12:15:38 UTC
()
Proposer:
Authorizers:
Gas used:
50