Flow price: --
a27dae0f9e9e1bc6c963ff6a6eb71a0c763f22755581cff8378f61d721690b81

Transaction

Hash: a27dae0f9e9e1bc6c963ff6a6eb71a0c763f22755581cff8378f61d721690b81
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a27dae0f9e9e1bc6c963ff6a6eb71a0c763f22755581cff8378f61d721690b81:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a27dae0f9e9e1bc6c963ff6a6eb71a0c763f22755581cff8378f61d721690b81
Status:
ERROR
Block height:
40150961
Block id:
b0c165f847772551518b986d8ce4c608e8c5ace87f4342ba224ab9a74afc8110
Timestamp:
Wednesday 2 November 2022 at 06:37:51 UTC
()
Proposer:
Authorizers:
Gas used:
49