Flow price: --
f935add9534fbcf953d49389e9140cc35be2c51c0af4f81659a84510abd3ff66

Transaction

Hash: f935add9534fbcf953d49389e9140cc35be2c51c0af4f81659a84510abd3ff66
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f935add9534fbcf953d49389e9140cc35be2c51c0af4f81659a84510abd3ff66:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f935add9534fbcf953d49389e9140cc35be2c51c0af4f81659a84510abd3ff66
Status:
ERROR
Block height:
40142788
Block id:
a00c6a96250da503bfc97c0d054ca48fa88c20f3c4e37983e989804856ccd8fa
Timestamp:
Wednesday 2 November 2022 at 03:18:08 UTC
()
Proposer:
Authorizers:
Gas used:
50