Flow price: --
3934e9bf145f13dc79e34c4cd60f88c92eea50d828e2c377829444c8c5e948b3

Transaction

Hash: 3934e9bf145f13dc79e34c4cd60f88c92eea50d828e2c377829444c8c5e948b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3934e9bf145f13dc79e34c4cd60f88c92eea50d828e2c377829444c8c5e948b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3934e9bf145f13dc79e34c4cd60f88c92eea50d828e2c377829444c8c5e948b3
Status:
ERROR
Block height:
40029115
Block id:
238016d288d62f586b6a0f5537e55a1067a13275a9a91337ede54cc17c47190e
Timestamp:
Monday 31 October 2022 at 05:21:48 UTC
()
Proposer:
Authorizers:
Gas used:
52