Flow price: --
b5a65403482acc75a5a247f141143a4e5b321588d0c2310867c19ffa2d792a3f

Transaction

Hash: b5a65403482acc75a5a247f141143a4e5b321588d0c2310867c19ffa2d792a3f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b5a65403482acc75a5a247f141143a4e5b321588d0c2310867c19ffa2d792a3f: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:
b5a65403482acc75a5a247f141143a4e5b321588d0c2310867c19ffa2d792a3f
Status:
ERROR
Block height:
40113624
Block id:
a9fd36159a9ab52d9bdb4d2eb0d70355ac96af95ec3cfe2e80a5f9255c9031c1
Timestamp:
Tuesday 1 November 2022 at 15:25:41 UTC
()
Proposer:
Authorizers:
Gas used:
46