Flow price: --
d83005cd363c9c04475a722a54b5a8f8a778555642eb0bf9e6dbdcd1c1357bbc

Transaction

Hash: d83005cd363c9c04475a722a54b5a8f8a778555642eb0bf9e6dbdcd1c1357bbc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d83005cd363c9c04475a722a54b5a8f8a778555642eb0bf9e6dbdcd1c1357bbc: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:
d83005cd363c9c04475a722a54b5a8f8a778555642eb0bf9e6dbdcd1c1357bbc
Status:
ERROR
Block height:
39804469
Block id:
7caa927963fc80fc3d87dfb2db4b885ab7ac063f4cdda9fd7b9610fd40086196
Timestamp:
Thursday 27 October 2022 at 11:23:32 UTC
()
Proposer:
Authorizers:
Gas used:
48