i just added new slider (slide-4) at component>> K2 >> item , then i add new item, then i upload an image through image tab, then category i set to slider, but the image not show in front end, slide still 3 cant add more,

n when i want to edit slide-3 any error message :
JUser: :_load: Unable to load user with ID: 42

please help me

Hi. I don't get what you mean. Please be more specific. K2 does not have slider. Are you using another extension? The error you get is caused because the user with id 42 was deleted from the system.

thx Lefteris Kavadas, i solved the problem by :

step 1 : add / create new slide :
Add item << K2 <<component // component >> K2 >> Add item
Step 2 :(DON’T FORGET TO SETTING) :
slider << module <<module manager // module manager >> module >> slider
and input / change item count : as amount of pict that want to show