Background:
In summer 2023, I visited Germany for work from USA on Schengen short term visa. My flight back from Germany was via Poland and it so happened that the flight was cancelled in Krakow, Poland and no flights on that day were available. The airlines put me on a flight the next day but this meant that I overstayed my Schengen visa by one day.
The rescheduled return flight was via Germany (again) and I was stopped by the border police in Germany and a case was registered against me for illegally entering and overstaying my Schengen Visa. I received a bunch of paperwork along with the contact of a public defendant, who will be handling my case. I was informed earlier this year that my case has been dropped and I will not have to pay a fine.
I have travelled multiple times in the last seven years to the Schengen territory and this is the first time such an incident has happened with me.
Questions:
a) I am now applying for Schengen short term visa for visiting Spain for work, will this incident have any affect on me getting the visa? Presently the Schengen visa application form does not require any information about previous overstays. Do I have to inform the Consulate of Spain of this incident?
b) I will be applying for a Schengen D-type visa in Italy in October for work, will this have any affect on getting the visa? Do I have to inform the Consulate of Italy of this incident?
Note that I am not applying via the German consulate, the country where my overstay happened.