Its probably fairly edge case, but line 341 in multifield.module expects the '_add_existing_field' key to exist on the form - In my case Im working on a new site with only two fields defined so far. When I add both of them to the multifield, the field ui barfs with:

Fatal error: Function name must be a string in ..../public/modules/field_ui/field_ui.admin.inc on line 154

because all existing fields have already been added to the multifield, _add_existing_field gets set, and because multifield_type_get_fields() returns NULL (as this is the very first multifield I've created) we end up with a weird existing field situation that causes the Fatal Error.

CommentFileSizeAuthor
#1 multifield-existing_fields-2083517-1.patch1013 bytesMixologic

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Mixologic’s picture

Mixologic
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Location Portland, OR
commented
StatusFileSize
new multifield-existing_fields-2083517-1.patch1013 bytes

And here's a patch that checks for _add_existing_field

(oh, and multifield_type_get_fields() returns an empty array, not NULL - that way overzealous reporting)

Mixologic’s picture

Mixologic
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Primary language English
Location Portland, OR
commented
Status: Active » Needs review

I can never seem to remember to mark things needs review.

dave reid’s picture

dave reid
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Primary language English
Location Nebraska USA
commented
Status: Needs review » Fixed

Thanks! Committed #1 to 7.x-1.x. http://drupalcode.org/project/multifield.git/commit/54e8839

Status: Fixed » Closed (fixed)

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