Flow price: --
e744527fcb5639635a5155b6ad26c71fae73a4aca4b3563b521c3de9577403b9

Transaction

Hash: e744527fcb5639635a5155b6ad26c71fae73a4aca4b3563b521c3de9577403b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e744527fcb5639635a5155b6ad26c71fae73a4aca4b3563b521c3de9577403b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e744527fcb5639635a5155b6ad26c71fae73a4aca4b3563b521c3de9577403b9
Status:
ERROR
Block height:
40162145
Block id:
2576ad446e665d59ca3ba69db55ba2f19a7b1f1fc48310f2976a218c9947d823
Timestamp:
Wednesday 2 November 2022 at 11:10:31 UTC
()
Proposer:
Authorizers:
Gas used:
51