Flow price: --
17fd1f828bd93191623fb1bb692e2838fe53bd9e914444fa1e33adba8bbc81b3

Transaction

Hash: 17fd1f828bd93191623fb1bb692e2838fe53bd9e914444fa1e33adba8bbc81b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17fd1f828bd93191623fb1bb692e2838fe53bd9e914444fa1e33adba8bbc81b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
17fd1f828bd93191623fb1bb692e2838fe53bd9e914444fa1e33adba8bbc81b3
Status:
ERROR
Block height:
39866355
Block id:
8ca663c2a5dc22036162e3c43683a5c36da42c0963e2ebc96da7169f473ff142
Timestamp:
Friday 28 October 2022 at 12:21:53 UTC
()
Proposer:
Authorizers:
Gas used:
50