Flow price: --
21582c682dbc71c169fc91a45f83d2e1d4f7a360c1c82e6ba77f30ff52922981

Transaction

Hash: 21582c682dbc71c169fc91a45f83d2e1d4f7a360c1c82e6ba77f30ff52922981
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21582c682dbc71c169fc91a45f83d2e1d4f7a360c1c82e6ba77f30ff52922981:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21582c682dbc71c169fc91a45f83d2e1d4f7a360c1c82e6ba77f30ff52922981
Status:
ERROR
Block height:
40100658
Block id:
366fafbb8e3543a80d9b2dfce0fd96fecf098528f5bc7808ef55efeaca7c04bf
Timestamp:
Tuesday 1 November 2022 at 10:11:00 UTC
()
Proposer:
Authorizers:
Gas used:
50