Flow price: --
64cce78d8d558f6069d7b349441aaba5c964bd2f4aba28eb772961b5e256df4c

Transaction

Hash: 64cce78d8d558f6069d7b349441aaba5c964bd2f4aba28eb772961b5e256df4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64cce78d8d558f6069d7b349441aaba5c964bd2f4aba28eb772961b5e256df4c: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:
64cce78d8d558f6069d7b349441aaba5c964bd2f4aba28eb772961b5e256df4c
Status:
ERROR
Block height:
39734471
Block id:
57c9ef5da316abcba57b823a3d4cc0af68443712d304e987f4a5a0267a6e89d3
Timestamp:
Wednesday 26 October 2022 at 07:11:53 UTC
()
Proposer:
Authorizers:
Gas used:
50