Database error

[fotohaefeli]

Dear CM Specialists,

Im swiss photographer and work since ever with cm.
galerie: http://www.fotohaefeli.com/CM15/

I work with v. 1.5.12 stable

At Moment ca. 169000 Pics are in many cateories sorted and online.
Since a short time at some galeries come this when i click on it:

http://www.fotohaefeli.com/CM15/index.php?cat=135

but i not have any update do or changes at my database or so.
Same galerie is sometimes on my smartphones viewable, but on pc never.

Other galeries work fine:
http://www.fotohaefeli.com/CM15/index.php?cat=20

i also check my databank settings on my host (dreamhost) but all other things go and ok.
only the picturearchiv (most important for a photographer) will not work correctly.

can anyone give me please a tip or so?

thank u very much in advence.

[Jeff Bailey]

Please upgrade.
http://forum.coppermine-gallery.net/index.php/topic,74682.0.html

Clear your cache and see if that brings it up. The links work for me.