Flow price: --
42e406028d4af63b2f80001e104cddb2b0d435c7da603d509625e6198fd38196

Transaction

Hash: 42e406028d4af63b2f80001e104cddb2b0d435c7da603d509625e6198fd38196
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 42e406028d4af63b2f80001e104cddb2b0d435c7da603d509625e6198fd38196:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
42e406028d4af63b2f80001e104cddb2b0d435c7da603d509625e6198fd38196
Status:
ERROR
Block height:
39848141
Block id:
9b23f57a7cfdb2f7d4c2ddaee2eebb9ac58219369f9e4fe0f97554e9bef542fd
Timestamp:
Friday 28 October 2022 at 05:00:42 UTC
()
Proposer:
Authorizers:
Gas used:
46