Flow price: --
9cef69c1ce415478f9ed5c13ae968c7a1aef4c4122afa1a0628a805950b26488

Transaction

Hash: 9cef69c1ce415478f9ed5c13ae968c7a1aef4c4122afa1a0628a805950b26488
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9cef69c1ce415478f9ed5c13ae968c7a1aef4c4122afa1a0628a805950b26488:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9cef69c1ce415478f9ed5c13ae968c7a1aef4c4122afa1a0628a805950b26488
Status:
ERROR
Block height:
40036714
Block id:
fb6ab0976c66b8ac2fc6d9f4e4ea32aabcb11e1ff1e46d18d9ae1e2f471cceda
Timestamp:
Monday 31 October 2022 at 08:24:34 UTC
()
Proposer:
Authorizers:
Gas used:
50