Flow price: --
8f8fa84f962607de3469996143a139dcb4bd57c8fa205867e6374b0a552ed930

Transaction

Hash: 8f8fa84f962607de3469996143a139dcb4bd57c8fa205867e6374b0a552ed930
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8f8fa84f962607de3469996143a139dcb4bd57c8fa205867e6374b0a552ed930:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8f8fa84f962607de3469996143a139dcb4bd57c8fa205867e6374b0a552ed930
Status:
ERROR
Block height:
39817568
Block id:
41a6c43a8bfcfd56a5812674a26c3b50731f0e4ef842f58b6ade199efd648502
Timestamp:
Thursday 27 October 2022 at 16:40:40 UTC
()
Proposer:
Authorizers:
Gas used:
47