Flow price: --
3332af1ef7a8d3d8bbe054cf04e1f8c11a3522ee0867ca515067a7e3e8b5e350

Transaction

Hash: 3332af1ef7a8d3d8bbe054cf04e1f8c11a3522ee0867ca515067a7e3e8b5e350
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3332af1ef7a8d3d8bbe054cf04e1f8c11a3522ee0867ca515067a7e3e8b5e350:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3332af1ef7a8d3d8bbe054cf04e1f8c11a3522ee0867ca515067a7e3e8b5e350
Status:
ERROR
Block height:
40048058
Block id:
a5fdb8c9373a126c444ee4856784cc651151775ad2119df2ea4ec686cc526ba4
Timestamp:
Monday 31 October 2022 at 12:59:09 UTC
()
Proposer:
Authorizers:
Gas used:
47