Flow price: --
401c403b04bef0ac8014e995f4707efc4a5741612e9f8d91d5e3a1c44218364f

Transaction

Hash: 401c403b04bef0ac8014e995f4707efc4a5741612e9f8d91d5e3a1c44218364f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 401c403b04bef0ac8014e995f4707efc4a5741612e9f8d91d5e3a1c44218364f: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:
401c403b04bef0ac8014e995f4707efc4a5741612e9f8d91d5e3a1c44218364f
Status:
ERROR
Block height:
40139366
Block id:
55346e73d0807a351647516c39cc9f6419d7c6453e6ba8caba017dc5a2a9d70e
Timestamp:
Wednesday 2 November 2022 at 01:54:58 UTC
()
Proposer:
Authorizers:
Gas used:
46