Flow price: --
c9292534d2736f2ebfb33f66e19e651e90584380c85254b0167aaf0b0be8bda9

Transaction

Hash: c9292534d2736f2ebfb33f66e19e651e90584380c85254b0167aaf0b0be8bda9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c9292534d2736f2ebfb33f66e19e651e90584380c85254b0167aaf0b0be8bda9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c9292534d2736f2ebfb33f66e19e651e90584380c85254b0167aaf0b0be8bda9
Status:
ERROR
Block height:
39820481
Block id:
c0c1877dad4a467d63294ab94fb5e6574e0b3829a68a92dd68d907e48238bb63
Timestamp:
Thursday 27 October 2022 at 17:51:38 UTC
()
Proposer:
Authorizers:
Gas used:
50