Flow price: --
6596770c10f0cd98f2dcd52b929c9a4599d1dece95bb2ce2f1718130db169eb2

Transaction

Hash: 6596770c10f0cd98f2dcd52b929c9a4599d1dece95bb2ce2f1718130db169eb2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6596770c10f0cd98f2dcd52b929c9a4599d1dece95bb2ce2f1718130db169eb2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6596770c10f0cd98f2dcd52b929c9a4599d1dece95bb2ce2f1718130db169eb2
Status:
ERROR
Block height:
39977171
Block id:
f1ee7fa7db1adb3ea22852569217bb8f411e1e7215b89ac8c955d7606473208c
Timestamp:
Sunday 30 October 2022 at 08:37:56 UTC
()
Proposer:
Authorizers:
Gas used:
47