Flow price: --
a667e272c0722d70a55b829590fd0fe68dad65d6d48ee28bda2376c2dd6ba3b0

Transaction

Hash: a667e272c0722d70a55b829590fd0fe68dad65d6d48ee28bda2376c2dd6ba3b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a667e272c0722d70a55b829590fd0fe68dad65d6d48ee28bda2376c2dd6ba3b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a667e272c0722d70a55b829590fd0fe68dad65d6d48ee28bda2376c2dd6ba3b0
Status:
ERROR
Block height:
39995502
Block id:
70c173c2698307bd08d7fc2e0ea00fe3fc46d7eb4178fb769d4d4685b5b9acbf
Timestamp:
Sunday 30 October 2022 at 15:58:00 UTC
()
Proposer:
Authorizers:
Gas used:
48