Flow price: --
c3f87057255edcc43462640880b95ab2e5b192af92992f7b9ca4f5be48e63e49

Transaction

Hash: c3f87057255edcc43462640880b95ab2e5b192af92992f7b9ca4f5be48e63e49
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c3f87057255edcc43462640880b95ab2e5b192af92992f7b9ca4f5be48e63e49:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c3f87057255edcc43462640880b95ab2e5b192af92992f7b9ca4f5be48e63e49
Status:
ERROR
Block height:
40048516
Block id:
460c58fa4580ab714b9f1a07c21526d86046a784f79dd7ae1fc4a9fa6fbd2061
Timestamp:
Monday 31 October 2022 at 13:10:09 UTC
()
Proposer:
Authorizers:
Gas used:
46