Flow price: --
8727ebd0e46e88e8fd9ed7bd9262f6bc03f92822ca4b38a5d09fa8cde3b3f503

Transaction

Hash: 8727ebd0e46e88e8fd9ed7bd9262f6bc03f92822ca4b38a5d09fa8cde3b3f503
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8727ebd0e46e88e8fd9ed7bd9262f6bc03f92822ca4b38a5d09fa8cde3b3f503:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8727ebd0e46e88e8fd9ed7bd9262f6bc03f92822ca4b38a5d09fa8cde3b3f503
Status:
ERROR
Block height:
39960010
Block id:
5f7a0dc6bfd158ca94a23637f2145ac5e21301cd4a4dedad634dd9654288426a
Timestamp:
Sunday 30 October 2022 at 01:45:49 UTC
()
Proposer:
Authorizers:
Gas used:
48