Flow price: --
77869c67f05cd7088bfc70c24755e5cb0405eb1e4bac617348342d34b691f4a3

Transaction

Hash: 77869c67f05cd7088bfc70c24755e5cb0405eb1e4bac617348342d34b691f4a3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 77869c67f05cd7088bfc70c24755e5cb0405eb1e4bac617348342d34b691f4a3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
77869c67f05cd7088bfc70c24755e5cb0405eb1e4bac617348342d34b691f4a3
Status:
ERROR
Block height:
39872112
Block id:
b75823849dd28e4644f6be0f520cd4716e3d333165134fc1994f67c06375fa8e
Timestamp:
Friday 28 October 2022 at 14:40:36 UTC
()
Proposer:
Authorizers:
Gas used:
45