Flow price: --
ffd50ab2137149f2492bb4a75320ed358e0ef1f0b843319ae23b2751b04ed755

Transaction

Hash: ffd50ab2137149f2492bb4a75320ed358e0ef1f0b843319ae23b2751b04ed755
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ffd50ab2137149f2492bb4a75320ed358e0ef1f0b843319ae23b2751b04ed755:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ffd50ab2137149f2492bb4a75320ed358e0ef1f0b843319ae23b2751b04ed755
Status:
ERROR
Block height:
39887077
Block id:
b0a3e1035554f6493c9c8424b08ab1a7cc7a13c382dd897002fde121a7d40b7f
Timestamp:
Friday 28 October 2022 at 20:38:14 UTC
()
Proposer:
Authorizers:
Gas used:
46