Flow price: --
a74847d81d8a926afc330c95ad73e1d2a784fbed91af397ee6f7be6d4f289d70

Transaction

Hash: a74847d81d8a926afc330c95ad73e1d2a784fbed91af397ee6f7be6d4f289d70
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a74847d81d8a926afc330c95ad73e1d2a784fbed91af397ee6f7be6d4f289d70:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a74847d81d8a926afc330c95ad73e1d2a784fbed91af397ee6f7be6d4f289d70
Status:
ERROR
Block height:
39909004
Block id:
704af0c0d553122c1cfb4ffc28116edd6fb7dad1f50e54d3cb628aab849affe8
Timestamp:
Saturday 29 October 2022 at 05:21:42 UTC
()
Proposer:
Authorizers:
Gas used:
47