Flow price: --
5604593155ce3bd733a84942c672b77f11fded22fbfc6cb8ea63a5e777c20892

Transaction

Hash: 5604593155ce3bd733a84942c672b77f11fded22fbfc6cb8ea63a5e777c20892
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5604593155ce3bd733a84942c672b77f11fded22fbfc6cb8ea63a5e777c20892:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5604593155ce3bd733a84942c672b77f11fded22fbfc6cb8ea63a5e777c20892
Status:
ERROR
Block height:
39853083
Block id:
f1650b8c813fe2ca6020c4be9a9cdb18f3b66088bfd387b1f18f2e4a348e1a2e
Timestamp:
Friday 28 October 2022 at 07:01:03 UTC
()
Proposer:
Authorizers:
Gas used:
46