This error can occur if autosave processes a non-entity form:
TypeError: Drupal\Core\Form\FormState::setSubmitHandlers(): Argument #1 ($submit_handlers) must be of type array, null given, called in web/modules/contrib/autosave_form/src/Form/AutosaveFormBuilder.php on line 139
Use another module that also adds an additional separate form builder form to the page.
Check that the form being process
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Comments
Comment #2
abhinand gokhala k commentedSolved the issue.
Comment #3
abhinand gokhala k commentedComment #4
gaurav_manerkar commentedLooks good, thanks.
Comment #5
tomefa commentedThanks, the patch also work for me and solve this issue !
Comment #6
hchonovCould you please elaborate on how this can be reproduced? In this function apparently we are running into an autosave submission, but the autosave submit element is not there, which does not seem right.
Comment #9
scott_euser commentedOkay this was reproduced here #3505659: Error when using autosave_form module
The issue occurs if any other form is built on the same page as a form where an autocomplete is build. This is because AutosaveFormBuilder takes over from FormBuilder and assumes the form being acted on is the entity form, yet it is possible to have multiple forms on the page. AutosaveFormBuilder should check if the form being acted on is one it has altered first.
The patch is okay, but actually would be better to just bail earlier and delegate back to FormBuilder from core if its a form that we don't care about here. Merge request with that earlier bailing out created + comment added with explanation for future us.
Comment #10
milosr commentedTested and works.