Old Version 2.1 Throwing Errors on Image Upload after PHP7.2 upgrade

My client is running an old version of Vanilla (I'm working on talking them into updating it). Anyway - a recent upgrade to php7.2 created a problem when uploading an image. It seems the image uploads correctly and is accessible via browser, but there is some kind of process going on in the background that is not letting me embed or use the image in a page. I'm new to Vanilla, so I'm not quite sure if the problem is in the Fileupload plugin or GD or some other issue. Any help is much appreciated.

Thanks,

Jay

Fatal Error in PHP.include();

Declaration of MediaModel::Delete($Media, $DeleteFile = true) should be compatible with Gdn_Model::Delete($Where = '', $Limit = false, $ResetData = false)

The error occurred on or near: /chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.mediamodel.php

11: class MediaModel extends VanillaModel {

12:   public function __construct() {

13:      parent::__construct('Media');

14:   }

Backtrace:

[/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.mediamodel.php:11] PHP::Gdn_ErrorHandler();

[/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php:45] PHP::include();

[/chroot/home/mysiteco/mysite.com/html/portal/library/core/class.pluginmanager.php:286] PHP::include_once();

[/chroot/home/mysiteco/mysite.com/html/portal/library/core/class.pluginmanager.php:111] Gdn_PluginManager->IncludePlugins();

[/chroot/home/mysiteco/mysite.com/html/portal/bootstrap.php:189] Gdn_PluginManager->Start();

[/chroot/home/mysiteco/mysite.com/html/portal/index.php:33] PHP::require_once();

Variables in local scope:

[EnabledPlugins] array (

 'FileUpload' =>

 array (

   'Description' => 'Images and files may be attached to discussions and comments. Mod to work with 2.1.5 by Peregrine',

   'Version' => '1.8.4.1',

   'RequiredApplications' =>

   array (

     'Vanilla' => '2.1',

   ),

   'RequiredTheme' => false,

   'RequiredPlugins' => false,

   'HasLocale' => false,

   'MobileFriendly' => true,

   'RegisterPermissions' =>

   array (

     'Plugins.Attachments.Upload.Allow' => 'Garden.Profiles.Edit',

     'Plugins.Attachments.Download.Allow' => 'Garden.Profiles.Edit',

   ),

   'Author' => 'Tim Gunter',

   'AuthorEmail' => 'tim@vanillaforums.com',

    'AuthorUrl' => 'http://www.vanillaforums.com',

   'Index' => 'FileUpload',

   'ClassName' => 'FileUploadPlugin',

   'PluginFilePath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php',

   'PluginRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload',

   'Name' => 'FileUpload',

   'Folder' => 'FileUpload',

   'RealFile' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php',

   'RealRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload',

   'SearchPath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins',

 ),

 'HtmLawed' =>

 array (

   'Description' => 'Adapts HtmLawed to work with Vanilla.',

   'Version' => '1.0.1',

   'RequiredApplications' => NULL,

   'RequiredTheme' => false,

   'RequiredPlugins' => false,

   'HasLocale' => false,

   'Author' => 'Todd Burry',

   'AuthorEmail' => 'todd@vanillaforums.com',

    'AuthorUrl' => 'http://vanillaforums.com/profile/todd',

   'Hidden' => true,

   'Index' => 'HtmLawed',

   'ClassName' => 'HTMLawedPlugin',

   'PluginFilePath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/HtmLawed/class.htmlawed.plugin.php',

   'PluginRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/HtmLawed',

   'Name' => 'HtmLawed',

   'Folder' => 'HtmLawed',

   'RealFile' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/HtmLawed/class.htmlawed.plugin.php',

   'RealRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/HtmLawed',

   'SearchPath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins',

 ),

)

[PluginManager] array (

 'Trace' => false,

 'EventArguments' =>

 array (

   'ActiveCache' => 'dirtycache',

 ),

 'Returns' =>

 array (

 ),

 'HandlerType' => 'NORMAL',

 'FireAs' => NULL,

)

[Trash] array (

 'Description' => 'Images and files may be attached to discussions and comments. Mod to work with 2.1.5 by Peregrine',

 'Version' => '1.8.4.1',

 'RequiredApplications' =>

 array (

   'Vanilla' => '2.1',

 ),

 'RequiredTheme' => false,

 'RequiredPlugins' => false,

 'HasLocale' => false,

 'MobileFriendly' => true,

 'RegisterPermissions' =>

 array (

   'Plugins.Attachments.Upload.Allow' => 'Garden.Profiles.Edit',

   'Plugins.Attachments.Download.Allow' => 'Garden.Profiles.Edit',

 ),

 'Author' => 'Tim Gunter',

 'AuthorEmail' => 'tim@vanillaforums.com',

  'AuthorUrl' => 'http://www.vanillaforums.com',

 'Index' => 'FileUpload',

 'ClassName' => 'FileUploadPlugin',

 'PluginFilePath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php',

 'PluginRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload',

 'Name' => 'FileUpload',

 'Folder' => 'FileUpload',

 'RealFile' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php',

 'RealRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload',

 'SearchPath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins',

)

[PluginName] 'FileUpload'

[PluginInfo] array (

 'Description' => 'Images and files may be attached to discussions and comments. Mod to work with 2.1.5 by Peregrine',

 'Version' => '1.8.4.1',

 'RequiredApplications' =>

 array (

   'Vanilla' => '2.1',

 ),

 'RequiredTheme' => false,

 'RequiredPlugins' => false,

 'HasLocale' => false,

 'MobileFriendly' => true,

 'RegisterPermissions' =>

 array (

   'Plugins.Attachments.Upload.Allow' => 'Garden.Profiles.Edit',

   'Plugins.Attachments.Download.Allow' => 'Garden.Profiles.Edit',

 ),

 'Author' => 'Tim Gunter',

 'AuthorEmail' => 'tim@vanillaforums.com',

  'AuthorUrl' => 'http://www.vanillaforums.com',

 'Index' => 'FileUpload',

 'ClassName' => 'FileUploadPlugin',

 'PluginFilePath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php',

 'PluginRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload',

 'Name' => 'FileUpload',

 'Folder' => 'FileUpload',

 'RealFile' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php',

 'RealRoot' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload',

 'SearchPath' => '/chroot/home/mysiteco/mysite.com/html/portal/plugins',

 'FileUpload' =>

 array (

   'Description' => 'Images and files may be attached to discussions and comments. Mod to work with 2.1.5 by Peregrine',

   'Version' => '1.8.4.1',

   'RequiredApplications' =>

   array (

     'Vanilla' => '2.1',

   ),

   'RequiredTheme' => false,

   'RequiredPlugins' => false,

   'HasLocale' => false,

   'MobileFriendly' => true,

   'RegisterPermissions' =>

   array (

     'Plugins.Attachments.Upload.Allow' => 'Garden.Profiles.Edit',

     'Plugins.Attachments.Download.Allow' => 'Garden.Profiles.Edit',

   ),

   'Author' => 'Tim Gunter',

   'AuthorEmail' => 'tim@vanillaforums.com',

    'AuthorUrl' => 'http://www.vanillaforums.com',

 ),

)

[ClassName] 'FileUploadPlugin'

[ClassFile] '/chroot/home/mysiteco/mysite.com/html/portal/plugins/FileUpload/class.fileupload.plugin.php'

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Additional information for support personnel:

   Application: Vanilla

   Application Version: 2.1.3

   PHP Version: 7.2.15

   Operating System: Linux

   Server Software: Apache/2.2.34 (Unix)

   User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0

   Request Uri: /index.php?p=/embed/advanced

   Controller: PHP

   Method: include