Flow price: --
9e90b46301a7206423ab67a7d606042f8f8cb07f513e1b69549e8c2aec78a6cc

Transaction

Hash: 9e90b46301a7206423ab67a7d606042f8f8cb07f513e1b69549e8c2aec78a6cc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e90b46301a7206423ab67a7d606042f8f8cb07f513e1b69549e8c2aec78a6cc: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:
9e90b46301a7206423ab67a7d606042f8f8cb07f513e1b69549e8c2aec78a6cc
Status:
ERROR
Block height:
39874908
Block id:
23431f2159626a0db7a502bd74595715f53bd92610ded97f0c3697bd794e6ac8
Timestamp:
Friday 28 October 2022 at 15:47:43 UTC
()
Proposer:
Authorizers:
Gas used:
48