Flow price: --
09354b7b53103a84cfbbf844031bc550073c57723c6b4c39d09e8dec7ea1d742

Transaction

Hash: 09354b7b53103a84cfbbf844031bc550073c57723c6b4c39d09e8dec7ea1d742
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 09354b7b53103a84cfbbf844031bc550073c57723c6b4c39d09e8dec7ea1d742:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
09354b7b53103a84cfbbf844031bc550073c57723c6b4c39d09e8dec7ea1d742
Status:
ERROR
Block height:
39765660
Block id:
66d33b051b9256488bdad29518ec596cead98654aebf8fa7dc15f1c78fdf2dd8
Timestamp:
Wednesday 26 October 2022 at 19:45:54 UTC
()
Proposer:
Authorizers:
Gas used:
50