Flow price: --
7e88014b709331b2a0e3c6111e49c12248234e6f01365fa4d979c107d50608b8

Transaction

Hash: 7e88014b709331b2a0e3c6111e49c12248234e6f01365fa4d979c107d50608b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7e88014b709331b2a0e3c6111e49c12248234e6f01365fa4d979c107d50608b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7e88014b709331b2a0e3c6111e49c12248234e6f01365fa4d979c107d50608b8
Status:
ERROR
Block height:
40041994
Block id:
1641a832b8b336838a13d525472522460d873ac1d1818423fd1a3fa355918c4f
Timestamp:
Monday 31 October 2022 at 10:32:33 UTC
()
Proposer:
Authorizers:
Gas used:
49