https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=38948
Bug ID: 38948
Summary: Modal error on some pages: Can't access property
"backdrop"
Change sponsored?: ---
Product: Koha
Version: Main
Hardware: All
OS: All
Status: NEW
Severity: minor
Priority: P5 - low
Component: Templates
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Depends on: 35402
I know I've seen this in more than one place, but I've just confirmed that it
appears in the console on the item add/edit page:
Uncaught TypeError: can't access property "backdrop", this._config is undefined
_initializeBackDrop
http://127.0.0.1:8081/intranet-tmpl/lib/bootstrap/bootstrap.bundle.min_24.1200003.js:6
On
http://127.0.0.1:8081/intranet-tmpl/lib/bootstrap/bootstrap.bundle.min_24.1200003.js:6
<anonymous>
http://127.0.0.1:8081/intranet-tmpl/prog/js/cookieconsent_24.1200003.js:20
<anonymous>
http://127.0.0.1:8081/intranet-tmpl/prog/js/cookieconsent_24.1200003.js:197
bootstrap.bundle.min_24.1200003.js:6:52582
I think it's new since the Bootstrap 5 upgrade. Some web searches turn up
information like "The problem is that the Modal has not been loaded into the
DOM at this stage and therefore is undefined when the getElementById action is
performed. The solution was to wait until the DOM is loaded."
This would make sense considering the add/edit item page is one of those pages
where the JS is loaded at the top of the page rather than the bottom.
Referenced Bugs:
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=35402
[Bug 35402] Update the OPAC and staff interface to Bootstrap 5
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