Lightroom "Some photos were not added. Unable to copy file.(1)"

[wong5EB8]

Hi Guys,

I having problem with my desktop lightroom latest version. I'm trying to upload photo through desktop lightroom 4.0. But the message box display "Some photos were not added. Unable to copy file.(1)".

Testing on Mobile and web. Both are working fine. 

Anyone know how to solve it?

[diesirae7]

Same issue. Sometime restarting everything works. Sometimes removing the SD card and try reimporting. Sometimes...

[wong5EB8]

Try a few times. but it doesn't make any different. Hope may get it solve soon