Flow price: --
21eb44d3a1e7bbf7a35b933c517e5e5e7431680b4698d8a178e6aed318496bcf

Transaction

Hash: 21eb44d3a1e7bbf7a35b933c517e5e5e7431680b4698d8a178e6aed318496bcf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21eb44d3a1e7bbf7a35b933c517e5e5e7431680b4698d8a178e6aed318496bcf: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:
21eb44d3a1e7bbf7a35b933c517e5e5e7431680b4698d8a178e6aed318496bcf
Status:
ERROR
Block height:
39886655
Block id:
f90873c6ca10bc5fa776749b1965aa1f1a85d8138e9b6ddc77dc331da734eaad
Timestamp:
Friday 28 October 2022 at 20:28:12 UTC
()
Proposer:
Authorizers:
Gas used:
50