Page numbering for the 2nd time crashes

Hi,

when I try to add page numbering to a new pdf document - everything goes fine, but when i try to add page numering again to the same pdf file (using the very same code), it crashes.

to be more precise, the new PdfFileStamp object creation ( new ) with the 2 streams returns the following error: Read Pdf Error: input string was not in a correct format.

Any help would be much appretiated

D.

ps. apparently the same thing happens when trying to add a stamp to bind a watermark to an already "stamped" document

Dear dasenka,
Could please post your code and attach your pdf file here or send to my email.
I will test it and reply you as soon as possible.