Flow price: --
4b880b294b69b6a9058e3427ea8b7abc3676f7443196e05210d9f2d6c6b33673

Transaction

Hash: 4b880b294b69b6a9058e3427ea8b7abc3676f7443196e05210d9f2d6c6b33673
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4b880b294b69b6a9058e3427ea8b7abc3676f7443196e05210d9f2d6c6b33673:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4b880b294b69b6a9058e3427ea8b7abc3676f7443196e05210d9f2d6c6b33673
Status:
ERROR
Block height:
39854473
Block id:
a61705a0d777842e6f0e33eab1a622ccb795f4af7580db026c8e2ed3fe270ce4
Timestamp:
Friday 28 October 2022 at 07:35:25 UTC
()
Proposer:
Authorizers:
Gas used:
46