> > You have to update to the develop branch of midas and refresh your browser cache.
> I already tried it and my local installation is 2 days old. I pulled again the dev branch now and I also got another error (actually a while ago but I forgot to report it):
> 
> Commit d5263e gives me the following error:
> 
> /home/makoeppe/mu3e/midas/progs/mhdump.cxx:393:42: error: ‘ctime’ was not declared in this scope
>   393 |                            printf(" %s", ctime(&t));
>       |                                          ^~~~~
> /home/makoeppe/mu3e/midas/progs/mhdump.cxx:25:1: note: ‘ctime’ is defined in header ‘<ctime>’; did you forget to ‘#include <ctime>’?
>    24 | #include <vector>
>   +++ |+#include <ctime>
>    25 | 
> 
> gcc (GCC) 12.2.0
> Linux office 5.15.86-1-lts #1 SMP Sun, 01 Jan 2023 16:03:00 +0000 x86_64 GNU/Linux
> 
> After adding #include <ctime> it compiles fine.


mhdump.cxx is written by Konstantin, so he should give his ok to add the include. 


> However, after cleaning the ODB and setting up everything fresh I don't even have the pages on the left bar anymore.

The menu on the left side is controlled via the ODB flags /Experiment/Menu. Probably the "Event dump" is of by default.

Stefan