Flow price: --
7ade2f6012122433f00706ac3e740258153f811bb8e10e0a706c7da88ea41438

Transaction

Hash: 7ade2f6012122433f00706ac3e740258153f811bb8e10e0a706c7da88ea41438
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7ade2f6012122433f00706ac3e740258153f811bb8e10e0a706c7da88ea41438:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7ade2f6012122433f00706ac3e740258153f811bb8e10e0a706c7da88ea41438
Status:
ERROR
Block height:
39862249
Block id:
f130427e2a84eb6a1a38a9cc05ebcffbd497b664e2071a368c1f1df8973ce6e9
Timestamp:
Friday 28 October 2022 at 10:42:47 UTC
()
Proposer:
Authorizers:
Gas used:
48