Flow price: --
1aa012a8dc6c8164e5f32ba98da789d9e941ff2686ab0703fdb972ea17ebb89e

Transaction

Hash: 1aa012a8dc6c8164e5f32ba98da789d9e941ff2686ab0703fdb972ea17ebb89e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1aa012a8dc6c8164e5f32ba98da789d9e941ff2686ab0703fdb972ea17ebb89e: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:
1aa012a8dc6c8164e5f32ba98da789d9e941ff2686ab0703fdb972ea17ebb89e
Status:
ERROR
Block height:
39873231
Block id:
639c54e7bd2bc36a94beae2d1dd15023d429be37e427ff4967bf90d88a2c580d
Timestamp:
Friday 28 October 2022 at 15:07:33 UTC
()
Proposer:
Authorizers:
Gas used:
48