Flow price: --
b38373f62ab2e0108aa4685304f1b43121a77dc0172f31d0f8535df541ccf589

Transaction

Hash: b38373f62ab2e0108aa4685304f1b43121a77dc0172f31d0f8535df541ccf589
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b38373f62ab2e0108aa4685304f1b43121a77dc0172f31d0f8535df541ccf589:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b38373f62ab2e0108aa4685304f1b43121a77dc0172f31d0f8535df541ccf589
Status:
ERROR
Block height:
39994349
Block id:
0f234fdf7c44deb960a6273b6e545ea72e3f481e930a052b022ce35f558825cb
Timestamp:
Sunday 30 October 2022 at 15:29:48 UTC
()
Proposer:
Authorizers:
Gas used:
48