Flow price: --
e249cb17ddd0d3a0a777296dd36decee0965e86df9aebe3f10ff22879d3129ab

Transaction

Hash: e249cb17ddd0d3a0a777296dd36decee0965e86df9aebe3f10ff22879d3129ab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e249cb17ddd0d3a0a777296dd36decee0965e86df9aebe3f10ff22879d3129ab: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:
e249cb17ddd0d3a0a777296dd36decee0965e86df9aebe3f10ff22879d3129ab
Status:
ERROR
Block height:
39759641
Block id:
025864fbcedc471397231c8ff611f63100ef7ab78bdefec69109b6106d1577d2
Timestamp:
Wednesday 26 October 2022 at 17:19:40 UTC
()
Proposer:
Authorizers:
Gas used:
47