Flow price: --
f0ce03a5048a53563fc5dde885de3774fb517f3c0efeedcaa161d4b46d678fbc

Transaction

Hash: f0ce03a5048a53563fc5dde885de3774fb517f3c0efeedcaa161d4b46d678fbc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f0ce03a5048a53563fc5dde885de3774fb517f3c0efeedcaa161d4b46d678fbc: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:
f0ce03a5048a53563fc5dde885de3774fb517f3c0efeedcaa161d4b46d678fbc
Status:
ERROR
Block height:
40044164
Block id:
f0beffc244d5fefb2f97ce2a1bd28f6c11db9bcd0d3902a3999a91970a2f6827
Timestamp:
Monday 31 October 2022 at 11:24:54 UTC
()
Proposer:
Authorizers:
Gas used:
47