Flow price: --
1c08bd2f83b3fdf7aa78e254d22e6c121cd3a600919ebe1ddd8b24e73c864537

Transaction

Hash: 1c08bd2f83b3fdf7aa78e254d22e6c121cd3a600919ebe1ddd8b24e73c864537
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c08bd2f83b3fdf7aa78e254d22e6c121cd3a600919ebe1ddd8b24e73c864537:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1c08bd2f83b3fdf7aa78e254d22e6c121cd3a600919ebe1ddd8b24e73c864537
Status:
ERROR
Block height:
40059421
Block id:
4bf265bbad7f77377c78ef04eec63685c5985d9c916a4f8b3766d01413082d0e
Timestamp:
Monday 31 October 2022 at 17:35:33 UTC
()
Proposer:
Authorizers:
Gas used:
50