Flow price: --
1a59d3ea86aef79fa11f62b47210fe9b84406b7de97d213b73a49db84f066c62

Transaction

Hash: 1a59d3ea86aef79fa11f62b47210fe9b84406b7de97d213b73a49db84f066c62
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a59d3ea86aef79fa11f62b47210fe9b84406b7de97d213b73a49db84f066c62:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a59d3ea86aef79fa11f62b47210fe9b84406b7de97d213b73a49db84f066c62
Status:
ERROR
Block height:
39971834
Block id:
8a6ed43418004faeb9c8925ae5327785134057eecb92932e29c693f1f47438c4
Timestamp:
Sunday 30 October 2022 at 06:29:47 UTC
()
Proposer:
Authorizers:
Gas used:
47