Flow price: --
c02148aaac616d2132d0c957a4a43052533a8f3d148737a382117fe5806d91c2

Transaction

Hash: c02148aaac616d2132d0c957a4a43052533a8f3d148737a382117fe5806d91c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c02148aaac616d2132d0c957a4a43052533a8f3d148737a382117fe5806d91c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c02148aaac616d2132d0c957a4a43052533a8f3d148737a382117fe5806d91c2
Status:
ERROR
Block height:
39738012
Block id:
aee01dbbef646aca3682864c2eef7d0173ba68c57cc02054bdec600874359b40
Timestamp:
Wednesday 26 October 2022 at 08:36:48 UTC
()
Proposer:
Authorizers:
Gas used:
47