Flow price: --
224170aac341bce4be8c42779ea1673d66df0e74efc09dcbca2ac256f4cdb6c0

Transaction

Hash: 224170aac341bce4be8c42779ea1673d66df0e74efc09dcbca2ac256f4cdb6c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 224170aac341bce4be8c42779ea1673d66df0e74efc09dcbca2ac256f4cdb6c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
224170aac341bce4be8c42779ea1673d66df0e74efc09dcbca2ac256f4cdb6c0
Status:
ERROR
Block height:
39879503
Block id:
73be3b8fd5b55db9ebe9e2e1f39c5adbb00bba8a7d49cc6bdf98cfc1241eeceb
Timestamp:
Friday 28 October 2022 at 17:37:16 UTC
()
Proposer:
Authorizers:
Gas used:
50