Flow price: --
d004839efba9c243eb5e2eddcaf420088c1988050992006038b60ad2aabb17aa

Transaction

Hash: d004839efba9c243eb5e2eddcaf420088c1988050992006038b60ad2aabb17aa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d004839efba9c243eb5e2eddcaf420088c1988050992006038b60ad2aabb17aa: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:
d004839efba9c243eb5e2eddcaf420088c1988050992006038b60ad2aabb17aa
Status:
ERROR
Block height:
40038096
Block id:
9cddb2aa8cef230cd2b0ed79f7061075a50805cd95107962a1952b0285c5704f
Timestamp:
Monday 31 October 2022 at 08:57:49 UTC
()
Proposer:
Authorizers:
Gas used:
39