Flow price: --
d119a77b181793edf74d00dee6e79174bce2190db11dc5b1549f9eb24d19f20e

Transaction

Hash: d119a77b181793edf74d00dee6e79174bce2190db11dc5b1549f9eb24d19f20e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d119a77b181793edf74d00dee6e79174bce2190db11dc5b1549f9eb24d19f20e: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:
d119a77b181793edf74d00dee6e79174bce2190db11dc5b1549f9eb24d19f20e
Status:
ERROR
Block height:
40040474
Block id:
75d8bf30a811975a405c42238732eb102b31a9fe38ec5ffdb3aa3dee13668cd5
Timestamp:
Monday 31 October 2022 at 09:55:28 UTC
()
Proposer:
Authorizers:
Gas used:
48