Flow price: --
5af6a270b60eac19edfc661838723f3bd8b4c6a697121f08e79f9d410a47fde5

Transaction

Hash: 5af6a270b60eac19edfc661838723f3bd8b4c6a697121f08e79f9d410a47fde5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5af6a270b60eac19edfc661838723f3bd8b4c6a697121f08e79f9d410a47fde5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5af6a270b60eac19edfc661838723f3bd8b4c6a697121f08e79f9d410a47fde5
Status:
ERROR
Block height:
40130005
Block id:
35477eb4f168cd06e933da1dd4293ccf3dfc4750be45b75d4c5f27b6a700deb9
Timestamp:
Tuesday 1 November 2022 at 22:06:46 UTC
()
Proposer:
Authorizers:
Gas used:
48