Flow price: --
b9e3ea8f94d25778345045203e4834414bc4155bf37aa3b3d45c83e7c5048ec2

Transaction

Hash: b9e3ea8f94d25778345045203e4834414bc4155bf37aa3b3d45c83e7c5048ec2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9e3ea8f94d25778345045203e4834414bc4155bf37aa3b3d45c83e7c5048ec2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b9e3ea8f94d25778345045203e4834414bc4155bf37aa3b3d45c83e7c5048ec2
Status:
ERROR
Block height:
39854111
Block id:
709c820015849ce392a9e39edfd1ea54cb0b20ecf51940d671cedd4563b69dd4
Timestamp:
Friday 28 October 2022 at 07:26:36 UTC
()
Proposer:
Authorizers:
Gas used:
47