Flow price: --
d6397ccc015e29938646113fcd9806abce7d529c447f8f91540cfa6e5fade8f6

Transaction

Hash: d6397ccc015e29938646113fcd9806abce7d529c447f8f91540cfa6e5fade8f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d6397ccc015e29938646113fcd9806abce7d529c447f8f91540cfa6e5fade8f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d6397ccc015e29938646113fcd9806abce7d529c447f8f91540cfa6e5fade8f6
Status:
ERROR
Block height:
40132154
Block id:
9bf50eda379ad1690d356da5cfa38f0e4c80ffe7378fa13979b48152b86d6fba
Timestamp:
Tuesday 1 November 2022 at 22:59:31 UTC
()
Proposer:
Authorizers:
Gas used:
46