Flow price: --
f010103f90c3ff31fb7153f6264157d3fe7ec5e4c2ccb79dea0aeda5f77d8753

Transaction

Hash: f010103f90c3ff31fb7153f6264157d3fe7ec5e4c2ccb79dea0aeda5f77d8753
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f010103f90c3ff31fb7153f6264157d3fe7ec5e4c2ccb79dea0aeda5f77d8753:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f010103f90c3ff31fb7153f6264157d3fe7ec5e4c2ccb79dea0aeda5f77d8753
Status:
ERROR
Block height:
39972118
Block id:
e3f352463c4d3d8d0ea42c6c8def8701fb6ee7a85bede7d729690848745e4e68
Timestamp:
Sunday 30 October 2022 at 06:36:37 UTC
()
Proposer:
Authorizers:
Gas used:
52