Flow price: --
b01fa89a93f3d764f9811efad7cfc7b91c74fc6e9fd89da6f7f9a6cb8c60d1c7

Transaction

Hash: b01fa89a93f3d764f9811efad7cfc7b91c74fc6e9fd89da6f7f9a6cb8c60d1c7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b01fa89a93f3d764f9811efad7cfc7b91c74fc6e9fd89da6f7f9a6cb8c60d1c7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b01fa89a93f3d764f9811efad7cfc7b91c74fc6e9fd89da6f7f9a6cb8c60d1c7
Status:
ERROR
Block height:
40061654
Block id:
e3a256aadc4bceb9b3c30921df483db4ad3298c3c8506d2f66ab90eb27750327
Timestamp:
Monday 31 October 2022 at 18:29:28 UTC
()
Proposer:
Authorizers:
Gas used:
48