Flow price: --
1454d48c54b3a98607ae9dae9a651bc9b2fde9849c01de6a132f1661efd75959

Transaction

Hash: 1454d48c54b3a98607ae9dae9a651bc9b2fde9849c01de6a132f1661efd75959
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1454d48c54b3a98607ae9dae9a651bc9b2fde9849c01de6a132f1661efd75959:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1454d48c54b3a98607ae9dae9a651bc9b2fde9849c01de6a132f1661efd75959
Status:
ERROR
Block height:
40077640
Block id:
cfd909b75ee6d9aace1631d35b93ec8086ba1663e763b8e34baf66421b2d1186
Timestamp:
Tuesday 1 November 2022 at 00:50:49 UTC
()
Proposer:
Authorizers:
Gas used:
48