Flow price: --
974a51e0d93996b5f8a45b31f9cfe23234f136a0c261f4b0c16ac1b651d6f7c3

Transaction

Hash: 974a51e0d93996b5f8a45b31f9cfe23234f136a0c261f4b0c16ac1b651d6f7c3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 974a51e0d93996b5f8a45b31f9cfe23234f136a0c261f4b0c16ac1b651d6f7c3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
974a51e0d93996b5f8a45b31f9cfe23234f136a0c261f4b0c16ac1b651d6f7c3
Status:
ERROR
Block height:
39741457
Block id:
7ebb4da4a5d8f76ef9d83b032f3f4c928589f2949391793f86ba8343e8298488
Timestamp:
Wednesday 26 October 2022 at 09:59:53 UTC
()
Proposer:
Authorizers:
Gas used:
47