Flow price: --
9e71ab441060d9f97d7fde81717c6a520e6e1acd2ff14cd547914916f05ef086

Transaction

Hash: 9e71ab441060d9f97d7fde81717c6a520e6e1acd2ff14cd547914916f05ef086
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e71ab441060d9f97d7fde81717c6a520e6e1acd2ff14cd547914916f05ef086:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e71ab441060d9f97d7fde81717c6a520e6e1acd2ff14cd547914916f05ef086
Status:
ERROR
Block height:
39859833
Block id:
c73af4ac74044694136e6e0f3f6a96cc1c0c2610e58bcef7d7951210a2c00158
Timestamp:
Friday 28 October 2022 at 09:44:32 UTC
()
Proposer:
Authorizers:
Gas used:
49