Flow price: --
28c066194ca4755cf944a01d876f3a5b42d12ff871d31aa9feb28ba644c2eada

Transaction

Hash: 28c066194ca4755cf944a01d876f3a5b42d12ff871d31aa9feb28ba644c2eada
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 28c066194ca4755cf944a01d876f3a5b42d12ff871d31aa9feb28ba644c2eada: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:
28c066194ca4755cf944a01d876f3a5b42d12ff871d31aa9feb28ba644c2eada
Status:
ERROR
Block height:
39748159
Block id:
d91ea7ea837e079c177718be6751906eb1905be87e4cdfc38fb23b9e349e579d
Timestamp:
Wednesday 26 October 2022 at 12:42:46 UTC
()
Proposer:
Authorizers:
Gas used:
46