Flow price: --
689e6ba4f2aab041123fcb2b14e70cbee40ef4b156681a403d3bae3bb534a770

Transaction

Hash: 689e6ba4f2aab041123fcb2b14e70cbee40ef4b156681a403d3bae3bb534a770
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 689e6ba4f2aab041123fcb2b14e70cbee40ef4b156681a403d3bae3bb534a770:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
689e6ba4f2aab041123fcb2b14e70cbee40ef4b156681a403d3bae3bb534a770
Status:
ERROR
Block height:
39726353
Block id:
de1a805b3807a91186fb46874fa0a221135a18ee674d6edde81a586848206fe5
Timestamp:
Wednesday 26 October 2022 at 03:55:33 UTC
()
Proposer:
Authorizers:
Gas used:
50