Flow price: --
1cd144b6e883c2c409222df86220b840ed3a5a01af47bd032c5f420b0e5ac0b8

Transaction

Hash: 1cd144b6e883c2c409222df86220b840ed3a5a01af47bd032c5f420b0e5ac0b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1cd144b6e883c2c409222df86220b840ed3a5a01af47bd032c5f420b0e5ac0b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1cd144b6e883c2c409222df86220b840ed3a5a01af47bd032c5f420b0e5ac0b8
Status:
ERROR
Block height:
40159714
Block id:
e745ad3ab53895943538bc79de2c2fa46ea573a635b4f5a85710a643fb932f57
Timestamp:
Wednesday 2 November 2022 at 10:11:31 UTC
()
Proposer:
Authorizers:
Gas used:
50