Flow price: --
e074fc8fb903a58c84991f2778482db5bee711e0ec60ecc0469ec7d9bac8e5b5

Transaction

Hash: e074fc8fb903a58c84991f2778482db5bee711e0ec60ecc0469ec7d9bac8e5b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e074fc8fb903a58c84991f2778482db5bee711e0ec60ecc0469ec7d9bac8e5b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e074fc8fb903a58c84991f2778482db5bee711e0ec60ecc0469ec7d9bac8e5b5
Status:
ERROR
Block height:
39822681
Block id:
7be93dc99b22d64e5a47b26a67b935c48d86721648ef948a7263febf657c4ff7
Timestamp:
Thursday 27 October 2022 at 18:46:09 UTC
()
Proposer:
Authorizers:
Gas used:
68