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Fatal error: Uncaught Error: Cannot use assign-op operators with string offsets
in /www/htdocs/w0113834/wordpress/wp-content/plugins/digimember/application/controller/user_login_form.php on line 14

Call stack:

1. digimember_UserLoginFormController::init()
   wp-content/plugins/digimember/system/core/loader.php:28
2. ncore_LoaderCore::controller()
   wp-content/plugins/digimember/application/controller/shortcode.php:297
3. digimember_ShortCodeController::shortcodeLogin()
   wp-includes/shortcodes.php:343
4. do_shortcode_tag()
5. preg_replace_callback()
   wp-includes/shortcodes.php:218
6. do_shortcode()
   wp-includes/class-wp-hook.php:292
7. WP_Hook::apply_filters()
   wp-includes/plugin.php:212
8. apply_filters()
   wp-includes/post-template.php:253
9. the_content()
   wp-content/themes/dorayaki/content-page.php:19
10. require()
    wp-includes/template.php:732
11. load_template()
    wp-includes/template.php:676
12. locate_template()
    wp-includes/general-template.php:204
13. get_template_part()
    wp-content/themes/dorayaki/page.php:17
14. include()
    wp-includes/template-loader.php:106
15. require_once()
    wp-blog-header.php:19
16. require()
    index.php:17