Flow price: --
f2377ca285d591af413bcbd010b8cfaea8408880a2c9cc66f04de3455fce2c6e

Transaction

Hash: f2377ca285d591af413bcbd010b8cfaea8408880a2c9cc66f04de3455fce2c6e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2377ca285d591af413bcbd010b8cfaea8408880a2c9cc66f04de3455fce2c6e: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:
f2377ca285d591af413bcbd010b8cfaea8408880a2c9cc66f04de3455fce2c6e
Status:
ERROR
Block height:
40040395
Block id:
442ba4b43f3f073fc1a4d755c8a4a513450593731f43dbc3147f4b1429f3cca3
Timestamp:
Monday 31 October 2022 at 09:53:33 UTC
()
Proposer:
Authorizers:
Gas used:
50