Under content types, manage display, I was trying to hide a file and this Ajax error popped up:
An AJAX HTTP error occurred.
HTTP Result Code: 500
Debugging information follows.
Path: /system/ajax
StatusText: Internal Server Error
ResponseText:

Why? ...and... What do I do?

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#1 debug-info-for-system-ajax-d7v10-fields.txt1.45 KBjannabrown51

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jannabrown51’s picture

jannabrown51 commented
StatusFileSize
new debug-info-for-system-ajax-d7v10-fields.txt1.45 KB

Am also experiencing the same symptom. We recently upgraded to core 7.10. We are not able to edit format for any custom field using field> manage display. Here is output from some debugging that I put into field_ui.admin.inc: (see attachment)

jannabrown51’s picture

jannabrown51 commented

Resolved. Our issue turned out to be a path problem. We are migrating content in from another content management system. The folder structure coming in from our other cms contained a "system" level. This compromised the path for ajax, causing inability to update formats from fields > manage display.

abbas.mulani’s picture

abbas.mulani commented
Category: support » task
Status: Active » Fixed

Resolved:

In Drupal 7, if you want to hide some field from display then click on "Label" in front of field click on "Hidden" and wait, because it takes some time to load the option, then apply format to "Hidden",

If you does not wait then ajax error will occur.

Status: Fixed » Closed (fixed)

Automatically closed -- issue fixed for 2 weeks with no activity.

haridyb’s picture

haridyb commented

same problem here....