Flow price: --
2507bcc05342ade8321bc671435511d37fca2fd6b82f71aa459e97b00a5403b1

Transaction

Hash: 2507bcc05342ade8321bc671435511d37fca2fd6b82f71aa459e97b00a5403b1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2507bcc05342ade8321bc671435511d37fca2fd6b82f71aa459e97b00a5403b1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2507bcc05342ade8321bc671435511d37fca2fd6b82f71aa459e97b00a5403b1
Status:
ERROR
Block height:
39745488
Block id:
b0e1c0d9da9ea35f358c38f409d26921a630d1fa1e1570439044bac8b96100fd
Timestamp:
Wednesday 26 October 2022 at 11:38:29 UTC
()
Proposer:
Authorizers:
Gas used:
48