That's disappointing to hear. I did eventually speak to the company that makes Apogee, our printing software, and this was their reply: "Around July 3rd, the ECO3 software service organization received feedback from various countries and clients that PDF files could no longer be rendered. Users encountered an error message "The document caused a processing problem. Please try to fix it with ap_FixErrorOnPDFSpecification" during the PDF rendering process. Internal investigation revealed that this issue was caused by a flaw in Adobe InDesign 18.4. The suggested solution of processing the PDF files using the Apogee Preflight profile "ap_FixErrorOnPDFSpecification" unfortunately did not provide a comprehensive solution for all scenarios, as observed during testing. In order to enable our customers to continue production, software fixes were released for our latest software solutions – Apogee, Amfortis, and Arkitex. (Version 12) These fixes were made available to our customers starting from July 31st. ECO3 reported this problem to Adobe so that the root cause could be addressed. Meanwhile, an update for Adobe InDesign 18.5 has been made available that resolves the origin of the issue. Refer to Adobe InDesign's release notes: https://helpx.adobe.com/be_nl/indesign/kb/fixed-issues.html ECO3 made every effort to resolve the problem, and it is evident that the issue is not the fault of ECO3 itself, as the cause can be traced back to Adobe InDesign." So from all of that, I gather that Adobe thinks it has fixed the problem and is no longer looking into it, especially since it now continues to exist in v19.0 even though the problem has been reported to them.
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