Flow price: --
cfee4fd1d0a7fa4de74772626f0664efba8e7046f75d822f1b264d71526ab794

Transaction

Hash: cfee4fd1d0a7fa4de74772626f0664efba8e7046f75d822f1b264d71526ab794
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cfee4fd1d0a7fa4de74772626f0664efba8e7046f75d822f1b264d71526ab794:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cfee4fd1d0a7fa4de74772626f0664efba8e7046f75d822f1b264d71526ab794
Status:
ERROR
Block height:
39992739
Block id:
972ff39b374a98653a3d1430466e0f6d9a7b4787d05af1a9acde28f71e3619ef
Timestamp:
Sunday 30 October 2022 at 14:51:15 UTC
()
Proposer:
Authorizers:
Gas used:
47