Flow price: --
b2930c5b26fac846f190ed912a9b83089ef38a4846e63a72fe9cf7991744280c

Transaction

Hash: b2930c5b26fac846f190ed912a9b83089ef38a4846e63a72fe9cf7991744280c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b2930c5b26fac846f190ed912a9b83089ef38a4846e63a72fe9cf7991744280c: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:
b2930c5b26fac846f190ed912a9b83089ef38a4846e63a72fe9cf7991744280c
Status:
ERROR
Block height:
39993530
Block id:
b2bc1ad16c581c7f9148692f438c40861c4d2bc64404a780fb3cf2c2006445b2
Timestamp:
Sunday 30 October 2022 at 15:10:28 UTC
()
Proposer:
Authorizers:
Gas used:
47