Fatal error: Uncaught Error: Call to undefined function wcfm_is_vendor()
in /data01/virt84512/domeenid/www.merchantwolf.com/vikyworld/wp-content/plugins/wc-multivendor-membership/core/class-wcfmvm.php on line 187

Call stack:

  1. WCFMvm::wcfmvm_init_after_wp()
    wp-includes/class-wp-hook.php:287
  2. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:311
  3. WP_Hook::do_action()
    wp-includes/plugin.php:544
  4. do_action_ref_array()
    wp-includes/class-wp.php:758
  5. WP::main()
    wp-includes/functions.php:1285
  6. wp()
    wp-blog-header.php:16
  7. require()
    index.php:17

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