Flow price: --
b7a41e2273f8d6a6a31c886159763b8e534a5a9a280378af60db8443397fb7ca

Transaction

Hash: b7a41e2273f8d6a6a31c886159763b8e534a5a9a280378af60db8443397fb7ca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b7a41e2273f8d6a6a31c886159763b8e534a5a9a280378af60db8443397fb7ca: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:
b7a41e2273f8d6a6a31c886159763b8e534a5a9a280378af60db8443397fb7ca
Status:
ERROR
Block height:
40147013
Block id:
810d4be6fdcf4d09681fd500ade9561dab23ead725b4caa3c0e8358e844c1512
Timestamp:
Wednesday 2 November 2022 at 05:01:25 UTC
()
Proposer:
Authorizers:
Gas used:
49