Flow price: --
ddd43f0d47bbf5a4c9f1c4ecc8a290955550eac5d9ddf13f1fad1c4761079033

Transaction

Hash: ddd43f0d47bbf5a4c9f1c4ecc8a290955550eac5d9ddf13f1fad1c4761079033
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ddd43f0d47bbf5a4c9f1c4ecc8a290955550eac5d9ddf13f1fad1c4761079033:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ddd43f0d47bbf5a4c9f1c4ecc8a290955550eac5d9ddf13f1fad1c4761079033
Status:
ERROR
Block height:
40037828
Block id:
9220602520e24e58e5c29153a60314b257a43dfb2d8ff8604812d94cccd9eb76
Timestamp:
Monday 31 October 2022 at 08:51:08 UTC
()
Proposer:
Authorizers:
Gas used:
50