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When plugin activated, returns a blank page (18 posts)

  1. Mike
    Member
    Posted 8 months ago #

    installed plugin, then when I activate it, it goes to a blank page, and all of the Admin panel is blank, and had to delete through FTP to get it back again. I tried again after deactivating all other plugins to make sure it was not in conflict with any other plugin I'm using, but had the same result. The other two plugins that work in tandem with this one (Landing Pages, and Calls To Action) are fine.

    http://wordpress.org/plugins/leads/

  2. David Wells
    Member
    Plugin Author

    Posted 8 months ago #

    Did you see a specific error message? We are running the same files without any issues.

  3. Mike
    Member
    Posted 8 months ago #

    no error. just a blank white page, and the URL was /wp-admin/plugins.php?.... with a long string but I didn't copy it so not sure what it all was.

  4. David Wells
    Member
    Plugin Author

    Posted 8 months ago #

    Sounds like a plugin/theme conflict.

    To test for a theme conflict:

    1. Activate default Twenty Ten, Eleven, Twelve, or Thirteen theme
    2. Check to see if the issue still occurs
    3. If the issue does not occur after having activated the default "Twenty" theme, your theme is causing a conflict with landing pages.

    To test for a plugin conflict:

    1. Deactivate ALL plugins
    2. Activate Leads
    3. Check to see if the issue occurs

    If the issue does not occur, one (or more) of your plugins is causing a conflict with Leads.

    To determine which plugin(s) is causing the conflict, follow these steps:

    1. Activate each plugin one by one
    2. Check to see if the issue occurs after each plugin is activated
  5. Mike
    Member
    Posted 8 months ago #

    Yup, it was a theme conflict. I'm using the Corp theme from gt3themes. damn shame.

  6. David Wells
    Member
    Plugin Author

    Posted 8 months ago #

    If you turn on WP_DEBUG by adding:

    define( 'WP_DEBUG', true );

    To your themes functions.php file and then activate leads again you will get an error message.

    Post the error message you see here and we might be able to fix

  7. Mike
    Member
    Posted 8 months ago #

    Okay, I must've added it wrong. I added it at the end, just before the closing ?> tag, and it didn't work as it didn't give an error. Can you tell me specifically where to add the code in the functions.php file? thanks!

  8. David Wells
    Member
    Plugin Author

    Posted 8 months ago #

    Add it to the very top.

    Then activate leads, then go to the frontend or admin of your site and the white screen should have error messages

  9. Mike
    Member
    Posted 8 months ago #

    Warning: Cannot modify header information - headers already sent by (output started at /wp-content/themes/corp/functions.php:3) in /wp-includes/pluggable.php on line 899

  10. David Wells
    Member
    Plugin Author

    Posted 8 months ago #

    Yeah thats an issue with your theme.

    You will need to contact your theme developer to sort that out.

    Or request http://www.inboundnow.com/premium-support/

  11. Mike
    Member
    Posted 8 months ago #

    Thanks for your help this far. I really appreciate it.

  12. Mike
    Member
    Posted 8 months ago #

    Also, one of your videos mentions a MailChimp add-on in your marketplace but I didn't see it there.

  13. David Wells
    Member
    Plugin Author

    Posted 8 months ago #

  14. alexisvandam
    Member
    Posted 7 months ago #

    I tried installing wordpress leads on the different websites with different themes. Both seem to conflict the plugins (one is RT Theme 17 and the other is Akita). Is there a possibility that the plug-in won't cause problems in the feature? Is it possible to just use lading pages and not the leads? thank you

  15. David Wells
    Member
    Plugin Author

    Posted 7 months ago #

    You can just use landing pages.

    What version of wordpress are you using? You need at least 3.7 for leads to work

  16. alexisvandam
    Member
    Posted 7 months ago #

    Hi I am using on both WordPress websites WP version: 3.7.1.

  17. David Wells
    Member
    Plugin Author

    Posted 7 months ago #

    We just released updates to all plugins. Try those.

    If they don't work, then there is a plugin/theme conflict with other things.

    To test for a theme conflict:

    1. Activate default Twenty Ten, Eleven, Twelve, or Thirteen theme
    2. Check to see if the issue still occurs
    3. If the issue does not occur after having activated the default "Twenty" theme, your theme is causing a conflict with landing pages.

    To test for a plugin conflict:

    1. Deactivate ALL plugins
    2. Activate Landing Pages
    3. Check to see if the issue occurs

    If the issue does not occur, one (or more) of your plugins is causing a conflict with Landing Pages.

    To determine which plugin(s) is causing the conflict, follow these steps:

    1. Activate each plugin one by one
    2. Check to see if the issue occurs after each plugin is activated
  18. rickvandenberg
    Member
    Posted 6 months ago #

    The problem is the that get_current_screen is failing, but the plugin code hides the errors with the "@" operator.

    See modules/wpl.m.post-type.wp-lead.php, lines 212 and 230.

    First remove the @ sign, so the code reads as follows:

    $screen = get_current_screen(); //@this function is not working on some wp installation. Look more into this.

    Then, in wordpress-leads.php, insert a line to include the screen.php from the wordpress core. I've inserted it prior to the other includes, as follows:

    include_once(ABSPATH . 'wp-admin/includes/screen.php'); // added by RAV / IGDM to fix screen error
    include_once('modules/wpl.m.post-type.wp-lead.php');
    include_once('modules/wpl.m.post-type.list.php');
    include_once('modules/wpl.m.ajax-setup.php');
    include_once('modules/wpl.m.form-integrations.php');
    include_once('functions/wpl.f.global.php');

    That fixes it for me. Can't say I understand why the screen.php isn't loaded prior though.

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