Flow price: --
53a0ee308391cfbf5971615b5778ff76d1fe916a3a00295d8b87af3961cfd377

Transaction

Hash: 53a0ee308391cfbf5971615b5778ff76d1fe916a3a00295d8b87af3961cfd377
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 53a0ee308391cfbf5971615b5778ff76d1fe916a3a00295d8b87af3961cfd377:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
53a0ee308391cfbf5971615b5778ff76d1fe916a3a00295d8b87af3961cfd377
Status:
ERROR
Block height:
39857131
Block id:
7714ca00bc8ebc209dbd321bcf683aa0f46adb6070d90a1914b16f9e5566acba
Timestamp:
Friday 28 October 2022 at 08:39:43 UTC
()
Proposer:
Authorizers:
Gas used:
50