Flow price: --
8fe63d0f273aef0416ce525695a48c9003188c8b5fda0fb7b7e52e68c2344aab

Transaction

Hash: 8fe63d0f273aef0416ce525695a48c9003188c8b5fda0fb7b7e52e68c2344aab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8fe63d0f273aef0416ce525695a48c9003188c8b5fda0fb7b7e52e68c2344aab: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:
8fe63d0f273aef0416ce525695a48c9003188c8b5fda0fb7b7e52e68c2344aab
Status:
ERROR
Block height:
39972168
Block id:
b1e031e5bb8a54ed2444aaa29bc312c79378496ae9058b001ae8c3be29509778
Timestamp:
Sunday 30 October 2022 at 06:37:47 UTC
()
Proposer:
Authorizers:
Gas used:
46