Flow price: --
3722b593e34c8f4f1f8042e921763888a35c2e3098b804a1fc916cab8a1f4ac6

Transaction

Hash: 3722b593e34c8f4f1f8042e921763888a35c2e3098b804a1fc916cab8a1f4ac6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3722b593e34c8f4f1f8042e921763888a35c2e3098b804a1fc916cab8a1f4ac6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3722b593e34c8f4f1f8042e921763888a35c2e3098b804a1fc916cab8a1f4ac6
Status:
ERROR
Block height:
40106694
Block id:
cd3a79190323cc4cafd56e7ae73d2a5b6670327c14101090ff1f1ac186dd3c32
Timestamp:
Tuesday 1 November 2022 at 12:37:37 UTC
()
Proposer:
Authorizers:
Gas used:
50