Flow price: --
59cbd72ec5623ec9a19ba16f04b3013cac599c56e666f2917164f1670686417a

Transaction

Hash: 59cbd72ec5623ec9a19ba16f04b3013cac599c56e666f2917164f1670686417a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59cbd72ec5623ec9a19ba16f04b3013cac599c56e666f2917164f1670686417a: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:
59cbd72ec5623ec9a19ba16f04b3013cac599c56e666f2917164f1670686417a
Status:
ERROR
Block height:
40039527
Block id:
9f844c876827d4db7dcd272f934c2011a852adc4a7faf881363213840fa38535
Timestamp:
Monday 31 October 2022 at 09:32:27 UTC
()
Proposer:
Authorizers:
Gas used:
49