Flow price: --
d55241c5e40e321e00c09a7805314c405f63e265a8923dae0cb7b996e05e29a7

Transaction

Hash: d55241c5e40e321e00c09a7805314c405f63e265a8923dae0cb7b996e05e29a7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d55241c5e40e321e00c09a7805314c405f63e265a8923dae0cb7b996e05e29a7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d55241c5e40e321e00c09a7805314c405f63e265a8923dae0cb7b996e05e29a7
Status:
ERROR
Block height:
39856874
Block id:
9e5996b16191ef4f4d45c72ec0568a47afb35bdad269e514de95770701617e14
Timestamp:
Friday 28 October 2022 at 08:33:36 UTC
()
Proposer:
Authorizers:
Gas used:
46