Flow price: --
75e32d288eee5799962425406535cd74fe72afdd63f7dcc0e72706a98b1e966c

Transaction

Hash: 75e32d288eee5799962425406535cd74fe72afdd63f7dcc0e72706a98b1e966c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 75e32d288eee5799962425406535cd74fe72afdd63f7dcc0e72706a98b1e966c: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:
75e32d288eee5799962425406535cd74fe72afdd63f7dcc0e72706a98b1e966c
Status:
ERROR
Block height:
40113653
Block id:
a323b51254a02f135f959fd2168bbb16ad4a02fd479a36899b57b94506dfc874
Timestamp:
Tuesday 1 November 2022 at 15:26:21 UTC
()
Proposer:
Authorizers:
Gas used:
49