Flow price: --
469cbf1c52787765bda3d7feac605f9684a12f24160f9c0f630f26673651f1c1

Transaction

Hash: 469cbf1c52787765bda3d7feac605f9684a12f24160f9c0f630f26673651f1c1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 469cbf1c52787765bda3d7feac605f9684a12f24160f9c0f630f26673651f1c1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
469cbf1c52787765bda3d7feac605f9684a12f24160f9c0f630f26673651f1c1
Status:
ERROR
Block height:
39974746
Block id:
1583822ff8b01adc4cb423be5031068b40c107e4975fc88e3383908c4eee3106
Timestamp:
Sunday 30 October 2022 at 07:40:03 UTC
()
Proposer:
Authorizers:
Gas used:
50