Flow price: --
9a8a9f9f0b971a73b419a0617c540f5afbf0c8f7754d4a48be1cf491f8a54f37

Transaction

Hash: 9a8a9f9f0b971a73b419a0617c540f5afbf0c8f7754d4a48be1cf491f8a54f37
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a8a9f9f0b971a73b419a0617c540f5afbf0c8f7754d4a48be1cf491f8a54f37:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9a8a9f9f0b971a73b419a0617c540f5afbf0c8f7754d4a48be1cf491f8a54f37
Status:
ERROR
Block height:
39974530
Block id:
904942981b1cc09978232fa28d25e1db36725300e0b7e26fe15fb2514aacee62
Timestamp:
Sunday 30 October 2022 at 07:35:02 UTC
()
Proposer:
Authorizers:
Gas used:
49