Flow price: --
20c4f09c65f5237ac2a7dd956ebc0e40432d06f400441c784fdecabbad2707b7

Transaction

Hash: 20c4f09c65f5237ac2a7dd956ebc0e40432d06f400441c784fdecabbad2707b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 20c4f09c65f5237ac2a7dd956ebc0e40432d06f400441c784fdecabbad2707b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
20c4f09c65f5237ac2a7dd956ebc0e40432d06f400441c784fdecabbad2707b7
Status:
ERROR
Block height:
39866932
Block id:
6dcee0b70f464e72819b431c86aa2b1024767d38be06c236b846d98d2668fa99
Timestamp:
Friday 28 October 2022 at 12:35:39 UTC
()
Proposer:
Authorizers:
Gas used:
47