What does this error mean ?

[Candle]

An error has occured. Please contact the game author for support, as this
is likely to be a scripting error and not a bug in AGS.
(ACI version 2.61.747)

Error: DoDialog: all options have been turned off

[Ishmael]

You have a dialog topic where by too many option-off's or SetDialogOption's you have turned all the options in that topic off. There must be atleast one option on in a dialog topic, and if there is only one, it gets ran automatically.

[Candle]

thank you ..