Flow price: --
f2623e7e4af55e5aaf1581e4f3f24f34a52804c64ce7c98b5a632dda0f33da2a

Transaction

Hash: f2623e7e4af55e5aaf1581e4f3f24f34a52804c64ce7c98b5a632dda0f33da2a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2623e7e4af55e5aaf1581e4f3f24f34a52804c64ce7c98b5a632dda0f33da2a: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:
f2623e7e4af55e5aaf1581e4f3f24f34a52804c64ce7c98b5a632dda0f33da2a
Status:
ERROR
Block height:
39858247
Block id:
0f15671e27f07373fd3bdf9b816c943c4ef4a62e62497e73a71511d30b344057
Timestamp:
Friday 28 October 2022 at 09:06:39 UTC
()
Proposer:
Authorizers:
Gas used:
47