Flow price: --
4e8c64f54f736b25d75694b4366f02e4f482dc61a73d59f8d19830c53f39f536

Transaction

Hash: 4e8c64f54f736b25d75694b4366f02e4f482dc61a73d59f8d19830c53f39f536
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4e8c64f54f736b25d75694b4366f02e4f482dc61a73d59f8d19830c53f39f536:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4e8c64f54f736b25d75694b4366f02e4f482dc61a73d59f8d19830c53f39f536
Status:
ERROR
Block height:
40045170
Block id:
b5e1f54bb03d638db8af0fd42c4ef538c1dba96d67b20bdc2c9898a5f4d92eb0
Timestamp:
Monday 31 October 2022 at 11:49:15 UTC
()
Proposer:
Authorizers:
Gas used:
46