Flow price: --
ed2063b384671565db4ad05c2fd1fe19bf6aa75147e0b56a5774a41d72753973

Transaction

Hash: ed2063b384671565db4ad05c2fd1fe19bf6aa75147e0b56a5774a41d72753973
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ed2063b384671565db4ad05c2fd1fe19bf6aa75147e0b56a5774a41d72753973:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ed2063b384671565db4ad05c2fd1fe19bf6aa75147e0b56a5774a41d72753973
Status:
ERROR
Block height:
40125877
Block id:
9d0839a9797535e11b40e24bb33b61137392b18263595e09fcb6fd2650429b8a
Timestamp:
Tuesday 1 November 2022 at 20:25:02 UTC
()
Proposer:
Authorizers:
Gas used:
66