Flow price: --
7f7ccce0dea58d48a6795ed9429121fed5326f1e111bf60240942791588966be

Transaction

Hash: 7f7ccce0dea58d48a6795ed9429121fed5326f1e111bf60240942791588966be
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7f7ccce0dea58d48a6795ed9429121fed5326f1e111bf60240942791588966be: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:
7f7ccce0dea58d48a6795ed9429121fed5326f1e111bf60240942791588966be
Status:
ERROR
Block height:
40047031
Block id:
92c9a92a493d9c9d0a747d1915a316d1eae0d3d65bff3995cf5434a1718b572a
Timestamp:
Monday 31 October 2022 at 12:34:25 UTC
()
Proposer:
Authorizers:
Gas used:
49