Flow price: --
56cfb6572c5b5b78c8b5e11dc96391e375d42f8c0bc69054b27e7f5430f6ee50

Transaction

Hash: 56cfb6572c5b5b78c8b5e11dc96391e375d42f8c0bc69054b27e7f5430f6ee50
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 56cfb6572c5b5b78c8b5e11dc96391e375d42f8c0bc69054b27e7f5430f6ee50:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
56cfb6572c5b5b78c8b5e11dc96391e375d42f8c0bc69054b27e7f5430f6ee50
Status:
ERROR
Block height:
39993103
Block id:
84741cc52d15e9562f5556ed41e78eb8a0ac8c9400bb318602051fd7a10b54c1
Timestamp:
Sunday 30 October 2022 at 14:59:59 UTC
()
Proposer:
Authorizers:
Gas used:
46