Flow price: --
c867d2003e7c1448b6aa07c085c25ed5b835aa6cf4681ec13b6b55bceb51cf08

Transaction

Hash: c867d2003e7c1448b6aa07c085c25ed5b835aa6cf4681ec13b6b55bceb51cf08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c867d2003e7c1448b6aa07c085c25ed5b835aa6cf4681ec13b6b55bceb51cf08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c867d2003e7c1448b6aa07c085c25ed5b835aa6cf4681ec13b6b55bceb51cf08
Status:
ERROR
Block height:
39991399
Block id:
f423fb0a8f8820fbb040b395f6268041c3b77bb09fd5131b8fcdc4783b68857a
Timestamp:
Sunday 30 October 2022 at 14:19:04 UTC
()
Proposer:
Authorizers:
Gas used:
46