Flow price: --
6a4bf3dbb0b400a404dd61d2e95045167848bf166fd316d1c310977efd5bc327

Transaction

Hash: 6a4bf3dbb0b400a404dd61d2e95045167848bf166fd316d1c310977efd5bc327
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6a4bf3dbb0b400a404dd61d2e95045167848bf166fd316d1c310977efd5bc327:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6a4bf3dbb0b400a404dd61d2e95045167848bf166fd316d1c310977efd5bc327
Status:
ERROR
Block height:
40104088
Block id:
7d9b82ac6010f168d56e9734011ec16795117c3fcd48b59a2adbed1b72777375
Timestamp:
Tuesday 1 November 2022 at 11:34:36 UTC
()
Proposer:
Authorizers:
Gas used:
47