Flow price: --
a9b54650eeb8b98a5e6f4ed607c450970de9918b6bd7e494377810c8004d71a8

Transaction

Hash: a9b54650eeb8b98a5e6f4ed607c450970de9918b6bd7e494377810c8004d71a8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a9b54650eeb8b98a5e6f4ed607c450970de9918b6bd7e494377810c8004d71a8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a9b54650eeb8b98a5e6f4ed607c450970de9918b6bd7e494377810c8004d71a8
Status:
ERROR
Block height:
40097759
Block id:
d9fcb36eff1ecf6a79a7e673aca048402ffb141f2156a4e2c66a3ca835885c0c
Timestamp:
Tuesday 1 November 2022 at 09:00:48 UTC
()
Proposer:
Authorizers:
Gas used:
47