Flow price: --
cfd987613205f6d065b4fcb3be804aa0eb4ae46af940eee0e06f69f6b3f75b73

Transaction

Hash: cfd987613205f6d065b4fcb3be804aa0eb4ae46af940eee0e06f69f6b3f75b73
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cfd987613205f6d065b4fcb3be804aa0eb4ae46af940eee0e06f69f6b3f75b73:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cfd987613205f6d065b4fcb3be804aa0eb4ae46af940eee0e06f69f6b3f75b73
Status:
ERROR
Block height:
40041929
Block id:
3b40ddd73e7f9db9e81832553083568f21d4bbc42d75fa7809e01cb3fabbabb6
Timestamp:
Monday 31 October 2022 at 10:31:03 UTC
()
Proposer:
Authorizers:
Gas used:
49