Flow price: --
128c81133e95ad0198d6c693984d97248f22d74ea996363b4f1ac2c11b546e37

Transaction

Hash: 128c81133e95ad0198d6c693984d97248f22d74ea996363b4f1ac2c11b546e37
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 128c81133e95ad0198d6c693984d97248f22d74ea996363b4f1ac2c11b546e37:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
128c81133e95ad0198d6c693984d97248f22d74ea996363b4f1ac2c11b546e37
Status:
ERROR
Block height:
40141581
Block id:
9eec6f7c05c2517291c3c1a8387b37eb80ed43d20b6345722c86909340b4d401
Timestamp:
Wednesday 2 November 2022 at 02:49:12 UTC
()
Proposer:
Authorizers:
Gas used:
49