Flow price: --
065278a694be2f97a38a75ee9e7b8e5e6a5299ba5bfe5842f0d2939b1d28acfc

Transaction

Hash: 065278a694be2f97a38a75ee9e7b8e5e6a5299ba5bfe5842f0d2939b1d28acfc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 065278a694be2f97a38a75ee9e7b8e5e6a5299ba5bfe5842f0d2939b1d28acfc: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:
065278a694be2f97a38a75ee9e7b8e5e6a5299ba5bfe5842f0d2939b1d28acfc
Status:
ERROR
Block height:
39972704
Block id:
f364234c84f8b0496b440be72968d42cbd7f4537c9ed71a111f682c898d2c012
Timestamp:
Sunday 30 October 2022 at 06:50:51 UTC
()
Proposer:
Authorizers:
Gas used:
47