Bulk Upload Error ClassNotFoundExecption

[varun7952]

hi guys i m having problem in upload bulk wallpapers to my gallery when i click on bulk upload its shows JAVA loading but java loads too fast and then it gives me Application error ClassNotFoundExecption i m attaching  screen shots of error can you guys please help me

(i m using wscript for wallpapers )

[Αndré]

There's no Java uploader in Coppermine out of the box. Do you use a plugin like JUpload?