Flow price: --
99b69dad3ab27575caf6c9443ea66cccfb8bccc0a6b7181d8e3b2755eb62cfbe

Transaction

Hash: 99b69dad3ab27575caf6c9443ea66cccfb8bccc0a6b7181d8e3b2755eb62cfbe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 99b69dad3ab27575caf6c9443ea66cccfb8bccc0a6b7181d8e3b2755eb62cfbe: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:
99b69dad3ab27575caf6c9443ea66cccfb8bccc0a6b7181d8e3b2755eb62cfbe
Status:
ERROR
Block height:
39962111
Block id:
0b84e6dd87bd669af02ebf1615c858b0d42176ec789b2f68610b34a38119960d
Timestamp:
Sunday 30 October 2022 at 02:36:16 UTC
()
Proposer:
Authorizers:
Gas used:
46