I had the same error and it was due to the attribute::master-name instead of attribute::master-reference in <fo:page-sequence> and <fo:conditional-page-master-reference>
solution: replace master-name with master-reference in the mentioned fo-items and it should work ! "Robert Wachter" To: "FOP User" <[EMAIL PROTECTED]> <[EMAIL PROTECTED] cc: de> Subject: WG: Re: FOP FO to MIF transformation not working? 27/05/2002 15:28 Please respond to fop-user Hi, I may be missing something obvious, but FOP does not appear to run MIF conversions. I attempted to convert simple.fo from examples/fo to MIF and received the following output: fop simple.fo -mif simple.mif [INFO]: FOP 0.20.3rc [INFO]: building formatting object tree [INFO]: rendering areas to MIF [INFO]: [1] [ERROR]: null All other formats work fine. Do I need to any special FO directives for MIF to process? Thanks, Robert