Not that it cost much, but there does seem to be a lack of error checking that caused this problem for me. There also seems to be some incompatibility with accordions created prior to upgrading to Pro.
In my case, I would get a White Page or an Error 404 Page Not Found under these situations,
- If the plugin ID used in shortcode does not exist.
- If the plugin ID used in shortcode refers to itself.
- If you use special characters in the accordion header. For instance, [,], and = caused problem.
- If the accordion was created prior to upgrading to Pro (I fixed this by changing multiple options and editing some text then updating the changes, but didn’t experiment to see if any of those changes in isolation fixed the problem.)
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Can you please clear browser cache or try another browser. this might be temporary, otherwise please debug your page for js error.
If possible please send me your link.