Flow price: --
4c5424f3f224724d2529eb9ded2e59a455eaefa5244c959d4789514aafaa243e

Transaction

Hash: 4c5424f3f224724d2529eb9ded2e59a455eaefa5244c959d4789514aafaa243e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c5424f3f224724d2529eb9ded2e59a455eaefa5244c959d4789514aafaa243e: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:
4c5424f3f224724d2529eb9ded2e59a455eaefa5244c959d4789514aafaa243e
Status:
ERROR
Block height:
40122703
Block id:
cd2070b384a16f5c462884fbc36887f297e2d6036105e64db7dd7577707206f3
Timestamp:
Tuesday 1 November 2022 at 19:06:45 UTC
()
Proposer:
Authorizers:
Gas used:
47