I have seen this with certain PNG files, but I don't know exactly what
causes the problem. My solution is to open the PNG with Photoshop and resave
it and then try to import it again.
> i've got the following error while importing a XML file refers to png in
> FrameMaker 7.0 / 7.1. "insufficient memory to import file.....". as
> mentioned the xml file opened refers to one particular png graphic which
> can be open in regular graphic programs and viewers without any issue.
> anyone aware of a particular issue with FrameMaker using png format?