Quite why I got this error now is anybody's guess but it did affect all my reports. Got rid of the nowait at the end of my preview command and it's all fabulous again. Sarah :>

>I get the following error when I preview a report with multiple pages and want to view page 2, 3 etc. The report prints OK, it just causes big problems on Preview.
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>Error: Property setting will not take effect until data environment reloaded. (1739)