Flow price: --
899cc19bf3b050465a4b66d8c3929e3db20b6e7949362ae7aa6c8c3d8114cfc6

Transaction

Hash: 899cc19bf3b050465a4b66d8c3929e3db20b6e7949362ae7aa6c8c3d8114cfc6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 899cc19bf3b050465a4b66d8c3929e3db20b6e7949362ae7aa6c8c3d8114cfc6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
899cc19bf3b050465a4b66d8c3929e3db20b6e7949362ae7aa6c8c3d8114cfc6
Status:
ERROR
Block height:
40039677
Block id:
6cdea280c47e1558b51b2de60acaa97a5674e166aa90f96062ea98b5d3767f68
Timestamp:
Monday 31 October 2022 at 09:36:14 UTC
()
Proposer:
Authorizers:
Gas used:
47