Unable to upload photos..Does anyone have that problem?

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I have been here for long time and has attained my 10 star rating this afternoon.I used to upload photos here long time back.But its been long time since I have uploaded one here.May be more than 2 months.Now I tried uploading some but they says there is some error uploading the photos.Is it because I was not uploading any for long time or this problem persists for all of you?Please do help...