Title: WordPress fatal error after update
Last modified: August 26, 2021

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# WordPress fatal error after update

 *  Resolved [Crafty Chick at CreativeIsCool](https://wordpress.org/support/users/cdmpta/)
 * (@cdmpta)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/wordpress-fatal-error-after-update/)
 * This message appears when trying to view form entries:
 * There has been a critical error on this website. Please check your site admin
   email inbox for instructions.
 * Learn more about troubleshooting WordPress.
 * This is the email I received about the error:
 *     ```
       Howdy!
   
       Since WordPress 5.2 there is a built-in feature that detects when a plugin or theme causes a fatal error on your site, and notifies you with this automated email.
   
       In this case, WordPress caught an error with one of your plugins, Formidable Forms.
   
       First, visit your website (https://xxxxxxxx.com/) and check for any visible issues. Next, visit the page where the error was caught (https://xxxxxxx.com/wp-admin/admin.php?page=formidable-entries&frm_action=show&id=20) and check for any visible issues.
   
       Please contact your host for assistance with investigating this issue further.
   
       If your site appears broken and you can't access your dashboard normally, WordPress now has a special "recovery mode". This lets you safely login to your dashboard and investigate further.
   
       https://xxxxxxx.com/wp-login.php?action=enter_recovery_mode&rm_token=fNvid09qo0Rr9ZjCONINB8&rm_key=NdN8vubyjmlES220juyF2L
   
       To keep your site safe, this link will expire in 1 day. Don't worry about that, though: a new link will be emailed to you if the error occurs again after it expires.
   
       When seeking help with this issue, you may be asked for some of the following information:
       WordPress version 5.8
       Current theme: Divi Child (version 1.0.0) Current plugin: Formidable Forms (version 5.0.02) PHP version 7.4.10
   
       Error Details
       =============
       An error of type E_ERROR was caused in line 186 of the file /hermes/bosnacweb05/bosnacweb05ar/b541/sl.dolphinweb/public_html/wp-content/plugins/formidable/classes/models/FrmTableHTMLGenerator.php. Error message: Uncaught Error: Call to undefined function ctype_xdigit() in /hermes/bosnacweb05/bosnacweb05ar/b541/sl.dolphinweb/public_html/wp-content/plugins/formidable/classes/models/FrmTableHTMLGenerator.php:186
       Stack trace:
       #0 /hermes/bosnacweb05/bosnacweb05ar/b541/sl.dolphinweb/public_html/wp-content/plugins/formidable/classes/models/FrmTableHTMLGenerator.php(93): FrmTableHTMLGenerator->get_color_markup('BFC3C8')
       #1 /hermes/bosnacweb05/bosnacweb05ar/b541/sl.dolphinweb/public_html/wp-content/plugins/formidable/classes/models/FrmTableHTMLGenerator.php(62): FrmTableHTMLGenerator->init_style_settings(Array)
       #2 /hermes/bosnacweb05/bosnacweb05ar/b541/sl.dolphinweb/public_html/wp-content/plugins/formidable/classes/models/FrmEntryFormatter.php(308): FrmTableHTMLGenerator->__construct('entry', Array)
       #3 /hermes/bosnacweb05/bosnacweb05ar/b541/sl.dolphinweb/public_html/wp-content/plugins/formidable/classes/models/FrmEntryFormatter.php(114): FrmEntryFormatter->init_table_generator(Array)
       #4 /hermes/bosnacweb05/bosnacweb05ar/b541/
       ```
   
 * Please help with a solution. Thank you.

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Support [Njones35](https://wordpress.org/support/users/njones35/)
 * (@njones35)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/wordpress-fatal-error-after-update/#post-14810434)
 * Hi [@cdmpta](https://wordpress.org/support/users/cdmpta/)
 * Thank you for contacting our support team today. My name is Nathanael and I will
   do my best to help you get this resolved ASAP.
 * I’ve checked for this issue on my dev site, but it is working perfectly after
   the latest update. We’ve also not received any reports of similar issues from
   other users recently. I suspect there may be something unique to your setup that
   is causing this.
 * It would be helpful to test to see if anything on your site is interfering with
   Formidable and causing the issue. Could you please go through the following steps?
   
   [https://formidableforms.com/knowledgebase/what-plugins-are-known-to-cause-conflicts/#kb-how-to-find-a-conflict](https://formidableforms.com/knowledgebase/what-plugins-are-known-to-cause-conflicts/#kb-how-to-find-a-conflict)
 * If the issue doesn’t show up while your website is running under these default
   conditions, you can reactivate your plugins, one at a time, and test after each
   activation to see when the issue reappears. When it does, the last plugin activated
   is the likely source of your problems.
    ———-
 * We understand that testing like this on a live site isn’t always possible, so
   we recommend doing this testing on a copy of the site (a staging site) instead.
   If you put the staging site on staging.yoursite.com or dev.yoursite.com, you 
   won’t need an extra Formidable license to activate it.
 * Some hosts have an easy way to create a staging site. If yours doesn’t, you can
   copy your site using free plugins like
    All in One WP Migration, Duplicator, 
   or any other plugin or system you like. Your host may also be willing to create
   a staging site for you if you ask.
 * Let me know if you have any questions about this.
 * Best,
 *  [mshartz5](https://wordpress.org/support/users/mshartz5/)
 * (@mshartz5)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/wordpress-fatal-error-after-update/#post-14848210)
 * We actually just did an upgrade to Formidable Forms pro (5.0.0.02) on a php 7.4.12
   server and it made the site throw a 500 error with the message, “Uncaught Error:
   Call to undefined function openssl_encrypt()”.
 * Worked fine on our staging server which is running php 7.2.
 *  Plugin Support [Njones35](https://wordpress.org/support/users/njones35/)
 * (@njones35)
 * [4 years, 9 months ago](https://wordpress.org/support/topic/wordpress-fatal-error-after-update/#post-14848229)
 * [@mshartz5](https://wordpress.org/support/users/mshartz5/)
    If you are having
   issues could you please open your own thread – or if you are a Pro user please
   open a ticket in our helpdesk.
 * Thank you!

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘WordPress fatal error after update’ is closed to new replies.

 * ![](https://ps.w.org/formidable/assets/icon-256x256.png?rev=2588749)
 * [Formidable Forms - Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder](https://wordpress.org/plugins/formidable/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/formidable/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/formidable/)
 * [Active Topics](https://wordpress.org/support/plugin/formidable/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/formidable/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/formidable/reviews/)

 * 3 replies
 * 3 participants
 * Last reply from: [Njones35](https://wordpress.org/support/users/njones35/)
 * Last activity: [4 years, 9 months ago](https://wordpress.org/support/topic/wordpress-fatal-error-after-update/#post-14848229)
 * Status: resolved