Flow price: --
21a70b4cc7373957227188838cd0b7b5d65bb4f64393409d6aa905ca629ae9a9

Transaction

Hash: 21a70b4cc7373957227188838cd0b7b5d65bb4f64393409d6aa905ca629ae9a9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21a70b4cc7373957227188838cd0b7b5d65bb4f64393409d6aa905ca629ae9a9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21a70b4cc7373957227188838cd0b7b5d65bb4f64393409d6aa905ca629ae9a9
Status:
ERROR
Block height:
40081457
Block id:
d817da6061d9c31e6adb8c28832fc237c90d13f62ed6ad4eff152dc98ff6ac0c
Timestamp:
Tuesday 1 November 2022 at 02:23:22 UTC
()
Proposer:
Authorizers:
Gas used:
46