Flow price: --
f3cc429be2052361894b5b81c91478cbf4d2d9d13247ea0f723335b84ff55857

Transaction

Hash: f3cc429be2052361894b5b81c91478cbf4d2d9d13247ea0f723335b84ff55857
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f3cc429be2052361894b5b81c91478cbf4d2d9d13247ea0f723335b84ff55857:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f3cc429be2052361894b5b81c91478cbf4d2d9d13247ea0f723335b84ff55857
Status:
ERROR
Block height:
40037253
Block id:
9cf4e54f50f710a56fab1ac3399e777ba4551d2a0d37bcd29b8b5b3a90f6daf3
Timestamp:
Monday 31 October 2022 at 08:37:17 UTC
()
Proposer:
Authorizers:
Gas used:
50