Flow price: --
ad73311a7121a5ab64a11c5ff8b181e16d68db7ea7edbd3e38d8869b1862efc6

Transaction

Hash: ad73311a7121a5ab64a11c5ff8b181e16d68db7ea7edbd3e38d8869b1862efc6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ad73311a7121a5ab64a11c5ff8b181e16d68db7ea7edbd3e38d8869b1862efc6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ad73311a7121a5ab64a11c5ff8b181e16d68db7ea7edbd3e38d8869b1862efc6
Status:
ERROR
Block height:
40036522
Block id:
6dff22c9c5f3c8a3d8f232b209962b4e32f418dba56b2dbb44ba1f4c57472f3f
Timestamp:
Monday 31 October 2022 at 08:19:57 UTC
()
Proposer:
Authorizers:
Gas used:
51