Flow price: --
64c2838c72bedf897efc7215099efbb96c66098a1bee840ed70e3b5fb2bef60a

Transaction

Hash: 64c2838c72bedf897efc7215099efbb96c66098a1bee840ed70e3b5fb2bef60a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64c2838c72bedf897efc7215099efbb96c66098a1bee840ed70e3b5fb2bef60a: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:
64c2838c72bedf897efc7215099efbb96c66098a1bee840ed70e3b5fb2bef60a
Status:
ERROR
Block height:
39786576
Block id:
16091cdde9eebff46d23b95bc2682af3670b1af88300477d377215f6cbc320ba
Timestamp:
Thursday 27 October 2022 at 04:10:55 UTC
()
Proposer:
Authorizers:
Gas used:
47