On-page editing and forms editing stop working in EPiServer 7

April 23rd, 2013

Working in EpiServer 7 we discovered that some pages, without any obvious reason, were suddenly not editable anymore.
Navigating in edit mode, the particular pages did not get the onpage edit borders and clicking the forms editing button would just make the ajax loader keep going forever. No errors in the logfile either.

After some troubleshooting, we found that the defective pages became corrupt as soon as the property Preamble was edited.

The solution was to rename the property “Preamble” to something else. It seems any property at all named “Preamble” will cause this error. Why that causes corrupt pages though, remains a mystery.

EPiServer CMS 7 patch 2 with “EPiServer 7.1″ Add-On package. (7.0.586.8 + 7.1 Add-ons)

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