Flow price: --
2d68a4e3a16e804f4fc3e10e9bfc761a10cc002c033ea43f25e83b3b83e6c091

Transaction

Hash: 2d68a4e3a16e804f4fc3e10e9bfc761a10cc002c033ea43f25e83b3b83e6c091
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2d68a4e3a16e804f4fc3e10e9bfc761a10cc002c033ea43f25e83b3b83e6c091:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2d68a4e3a16e804f4fc3e10e9bfc761a10cc002c033ea43f25e83b3b83e6c091
Status:
ERROR
Block height:
40139760
Block id:
5d68fb9fcc1ea4bbb8f5aad010920aa1f57620c856b614a21a0a3022118bb142
Timestamp:
Wednesday 2 November 2022 at 02:04:42 UTC
()
Proposer:
Authorizers:
Gas used:
47