lyx file from 2015 not converted to pdf

[Wolfgang Engelmann]

Am 24.03.20 um 19:45 schrieb Pavel Sanda:
> On Tue, Mar 24, 2020 at 07:41:39PM +0100, Wolfgang Engelmann wrote:
>>> No, but you might have assertions enabled.
>>
>> what does assertion mean?
> 
> These are special conditions in which we let lyx shutdown
> and should be enabled only by developers. If you use debian
> binaries, you should be safe and need not worry about it.
> 
> Pavel
> 
Thanks, Paul, for the explanation.
Wolfgang