Flow price: --
0d91b16b8f5b9b4acd77f0467002d1d21e138004b6b6ca0c8ac54602c5d33fb4

Transaction

Hash: 0d91b16b8f5b9b4acd77f0467002d1d21e138004b6b6ca0c8ac54602c5d33fb4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0d91b16b8f5b9b4acd77f0467002d1d21e138004b6b6ca0c8ac54602c5d33fb4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0d91b16b8f5b9b4acd77f0467002d1d21e138004b6b6ca0c8ac54602c5d33fb4
Status:
ERROR
Block height:
39943835
Block id:
6be27974d22d1d02e45863472507344065856fd27827d4d68cd4ad6bd1793f3b
Timestamp:
Saturday 29 October 2022 at 19:23:35 UTC
()
Proposer:
Authorizers:
Gas used:
46