Flow price: --
60bad6f609a5f210828c0b3e5eef8509536040f0e1b390068738b3d4cc96cafd

Transaction

Hash: 60bad6f609a5f210828c0b3e5eef8509536040f0e1b390068738b3d4cc96cafd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 60bad6f609a5f210828c0b3e5eef8509536040f0e1b390068738b3d4cc96cafd: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:
60bad6f609a5f210828c0b3e5eef8509536040f0e1b390068738b3d4cc96cafd
Status:
ERROR
Block height:
39730311
Block id:
a91c31e9744b99edcab267f27f2a1cabe7ef334036f3e594fb614f20bf5e96f5
Timestamp:
Wednesday 26 October 2022 at 05:31:10 UTC
()
Proposer:
Authorizers:
Gas used:
46