Flow price: --
a2989f5f72757b6b84939c9e618c883a847281e593c59deaa8df9ab030158bb3

Transaction

Hash: a2989f5f72757b6b84939c9e618c883a847281e593c59deaa8df9ab030158bb3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a2989f5f72757b6b84939c9e618c883a847281e593c59deaa8df9ab030158bb3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a2989f5f72757b6b84939c9e618c883a847281e593c59deaa8df9ab030158bb3
Status:
ERROR
Block height:
40045932
Block id:
677fc74bb13907ad3e79fe0d958d50dddfe7b6856eb9757e9a5fe9a32d24a114
Timestamp:
Monday 31 October 2022 at 12:07:54 UTC
()
Proposer:
Authorizers:
Gas used:
47