Flow price: --
9e3efe675339f97094b9df48f589c5ff35e18a0975ad4d454e419faa32f99215

Transaction

Hash: 9e3efe675339f97094b9df48f589c5ff35e18a0975ad4d454e419faa32f99215
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e3efe675339f97094b9df48f589c5ff35e18a0975ad4d454e419faa32f99215:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e3efe675339f97094b9df48f589c5ff35e18a0975ad4d454e419faa32f99215
Status:
ERROR
Block height:
40140064
Block id:
da0cd0c0f6936ef051485dab0a00951018114fa7d2722b395acdc663b53b4ee8
Timestamp:
Wednesday 2 November 2022 at 02:12:15 UTC
()
Proposer:
Authorizers:
Gas used:
49