Flow price: --
a1d9e35bc668d6f2e0231618c6c8eafd76bcb9869deedefa169370d9ea4ba2ea

Transaction

Hash: a1d9e35bc668d6f2e0231618c6c8eafd76bcb9869deedefa169370d9ea4ba2ea
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a1d9e35bc668d6f2e0231618c6c8eafd76bcb9869deedefa169370d9ea4ba2ea: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:
a1d9e35bc668d6f2e0231618c6c8eafd76bcb9869deedefa169370d9ea4ba2ea
Status:
ERROR
Block height:
39864165
Block id:
9dee2b709f84f9aa70e54209eccbd841e644674c16e4aa972d3dcea010200f1c
Timestamp:
Friday 28 October 2022 at 11:29:42 UTC
()
Proposer:
Authorizers:
Gas used:
49