Flow price: --
e47d5b1aa46b40920168d231d650e5cea2f3517f2dd4dc289e2f7f82bbf46557

Transaction

Hash: e47d5b1aa46b40920168d231d650e5cea2f3517f2dd4dc289e2f7f82bbf46557
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e47d5b1aa46b40920168d231d650e5cea2f3517f2dd4dc289e2f7f82bbf46557:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e47d5b1aa46b40920168d231d650e5cea2f3517f2dd4dc289e2f7f82bbf46557
Status:
ERROR
Block height:
39934546
Block id:
4e632020f133499f6ce50effda11fdef28e7db49509d0a1be39f9999e515f652
Timestamp:
Saturday 29 October 2022 at 15:39:40 UTC
()
Proposer:
Authorizers:
Gas used:
46