Title: Problem with Switch user plugin Last modified: December 20, 2022 --- # Problem with Switch user plugin * Resolved [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/) * is 2 days now that it gives me critical errors every time i try to switch users with **Switch user** plugin * This is the error * PHP Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function “banhammer_remove_query_args” not found or invalid function name in /home/admin/domains/seeme.baby/public_html/wp-includes/ class-wp-hook.php:308 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fproblem-with-switch-user-plugin%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 14 replies - 1 through 14 (of 14 total) * Plugin Author [Jeff Starr](https://wordpress.org/support/users/specialk/) * (@specialk) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307615) * In order to help, I need to know the steps to repeat the issue on default WordPress. Otherwise there is not much I can do. * Thread Starter [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307679) * when i try to switch user * [https://prnt.sc/-KyO65vxytpB](https://prnt.sc/-KyO65vxytpB) * i get error * [https://prnt.sc/x-8lGhz_9Qg1](https://prnt.sc/x-8lGhz_9Qg1) * then if i go to any page everything is ok , and user is switched * Plugin Author [Jeff Starr](https://wordpress.org/support/users/specialk/) * (@specialk) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307686) * Ok thanks but I need actual steps like 1. Install the user list plugin 2. Install banhammer plugin 3. Visit such and such page 4. etc., ..until the error happens * Thread Starter [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307716) * i have to destroy a live to site to do this * Plugin Author [Jeff Starr](https://wordpress.org/support/users/specialk/) * (@specialk) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307740) * No you don’t need to “destroy” anything. Simply describe the steps that result in the error. * Thread Starter [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307757) * i cant describe it simplier than that, when i click the button to switch to other used i get the error. Even if i make you a video you will not see something more than these 2 screenshots * Plugin Author [Jeff Starr](https://wordpress.org/support/users/specialk/) * (@specialk) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307776) * Can you at least provide the URL where I can download the other plugin. That way I can try to repeat the error based on your screenshots. * Thread Starter [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307778) * Sure * [https://wordpress.org/support/plugin/user-switching/](https://wordpress.org/support/plugin/user-switching/) * Plugin Author [Jeff Starr](https://wordpress.org/support/users/specialk/) * (@specialk) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307790) * So I installed the plugin, not sure how to get here though: * [https://prnt.sc/-KyO65vxytpB](https://prnt.sc/-KyO65vxytpB) * Thread Starter [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307795) * this is the page * off the * /members/ in buddypress * Plugin Author [Jeff Starr](https://wordpress.org/support/users/specialk/) * (@specialk) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307800) * Installed BuddyPress. Installed the User switch plugin. Installed Banhammer. Went to `/members/`. No errors. - This reply was modified 3 years, 3 months ago by [Jeff Starr](https://wordpress.org/support/users/specialk/). - This reply was modified 3 years, 3 months ago by [Jeff Starr](https://wordpress.org/support/users/specialk/). - This reply was modified 3 years, 3 months ago by [Jeff Starr](https://wordpress.org/support/users/specialk/). * Thread Starter [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307844) * i give up, i really i appreciate your time and effort * Thread Starter [central4all](https://wordpress.org/support/users/central4allgmailcom/) * (@central4allgmailcom) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307850) * i have more than 80 plugins, if you want to give access to my site is much better, i have full back up * Plugin Author [Jeff Starr](https://wordpress.org/support/users/specialk/) * (@specialk) * [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307853) * Understood. Most likely there is some other plugin(s) involved in the reported error. We’re not allowed to log in to any client sites, but definitely here to help in the WordPress forums. Let me know if any further questions, glad to help anytime. Viewing 14 replies - 1 through 14 (of 14 total) The topic ‘Problem with Switch user plugin’ is closed to new replies. * ![](https://ps.w.org/banhammer/assets/icon-256x256.png?rev=2798558) * [Banhammer – Monitor Site Traffic, Block Bad Users and Bots](https://wordpress.org/plugins/banhammer/) * [Frequently Asked Questions](https://wordpress.org/plugins/banhammer/#faq) * [Support Threads](https://wordpress.org/support/plugin/banhammer/) * [Active Topics](https://wordpress.org/support/plugin/banhammer/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/banhammer/unresolved/) * [Reviews](https://wordpress.org/support/plugin/banhammer/reviews/) * 14 replies * 2 participants * Last reply from: [Jeff Starr](https://wordpress.org/support/users/specialk/) * Last activity: [3 years, 3 months ago](https://wordpress.org/support/topic/problem-with-switch-user-plugin/#post-16307853) * Status: resolved