Flow price: --
e816cf8105297e74f3ae9bad012565992d5dd1a7d61858d47bb55913f82d8c65

Transaction

Hash: e816cf8105297e74f3ae9bad012565992d5dd1a7d61858d47bb55913f82d8c65
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e816cf8105297e74f3ae9bad012565992d5dd1a7d61858d47bb55913f82d8c65:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e816cf8105297e74f3ae9bad012565992d5dd1a7d61858d47bb55913f82d8c65
Status:
ERROR
Block height:
40039101
Block id:
e2501c2381aca3ac584de42da7714bf6eae45970d2092e880c56b512db43213e
Timestamp:
Monday 31 October 2022 at 09:22:09 UTC
()
Proposer:
Authorizers:
Gas used:
49