Flow price: --
af9ccae61c5ea8d4e6a5c5050ec85d90580a8e1456b85536bfbe48c74d763945

Transaction

Hash: af9ccae61c5ea8d4e6a5c5050ec85d90580a8e1456b85536bfbe48c74d763945
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> af9ccae61c5ea8d4e6a5c5050ec85d90580a8e1456b85536bfbe48c74d763945:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
af9ccae61c5ea8d4e6a5c5050ec85d90580a8e1456b85536bfbe48c74d763945
Status:
ERROR
Block height:
40137327
Block id:
4fc6df91f520cf7a6b2d1764dccfb8fb336d78b6df94f49e64889580c95d5802
Timestamp:
Wednesday 2 November 2022 at 01:05:37 UTC
()
Proposer:
Authorizers:
Gas used:
50