Flow price: --
847db74474b7d6556d0d5a68394d197b9ff6105fa78d2fe84b4f7200f42c88d2

Transaction

Hash: 847db74474b7d6556d0d5a68394d197b9ff6105fa78d2fe84b4f7200f42c88d2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 847db74474b7d6556d0d5a68394d197b9ff6105fa78d2fe84b4f7200f42c88d2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
847db74474b7d6556d0d5a68394d197b9ff6105fa78d2fe84b4f7200f42c88d2
Status:
ERROR
Block height:
39985832
Block id:
ec7b56b57c82a3bdd5d8cfa6b3d77c3156791fd28e4a58d8ee27b2b9b0c87113
Timestamp:
Sunday 30 October 2022 at 12:05:51 UTC
()
Proposer:
Authorizers:
Gas used:
46