Flow price: --
971d58815972723c216fa0d51bbc159da2388ca5e9e207f1d9d144824c5f15ef

Transaction

Hash: 971d58815972723c216fa0d51bbc159da2388ca5e9e207f1d9d144824c5f15ef
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 971d58815972723c216fa0d51bbc159da2388ca5e9e207f1d9d144824c5f15ef: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:
971d58815972723c216fa0d51bbc159da2388ca5e9e207f1d9d144824c5f15ef
Status:
ERROR
Block height:
40165446
Block id:
60017ee50476ba3e5caf435938ddd841a62a1cc6d13d4879b6ac6536ea76a03f
Timestamp:
Wednesday 2 November 2022 at 12:30:28 UTC
()
Proposer:
Authorizers:
Gas used:
46