Troubleshooting
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Email Notifications Not Working
WS Form sends emails using a built-in function provided by WordPress called wp_mail. This is the same function used by other WordPress form plugins. Sending emails from WordPress can be made more reliable using these tips.
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Error: 400 Bad Request
A 400 error will typically occur if the client (i.e. your browser) makes a bad request to the server.
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Error: 403 Forbidden
A 403 Forbidden error message while editing your form may be the result of your hosting provider using mod_security.
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Error: 404 Not Found
This article can help if you are receiving a 404 error when editing or submitting a form.
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Error: 500 Internal Server Error
If you’re seeing a 500 Internal Server Error after submitting a form, this article will help you identify the issue.
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Error: Could not instantiate mail function
The “Could not instantiate mail function” message appears when WordPress fails to send an email. This article explains the causes and provides solutions.
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Error: Error sending email
The “Error sending email” message appears when WordPress fails to send an email. This article explains the causes and provides solutions.
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Error: Invalid Token Format
If you receive the error "Invalid Token Format" when submitting a form, it is likely being caused by a third party plugin.
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Error: INVALID_SESSION_ID – Session expired or invalid
Learn how to fix a broken Salesforce connection in WS Form by reconnecting your account and resolving common authentication issues.
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Error: json key is missing the client_id field
How to reconnect to Google Sheets if the connection fails.
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Error: Unable to move file to destination
Learn why WS Form may show the “Unable to move file to destination” error and how to fix common file permission issues that cause it.
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File Upload Issues
Learn how to diagnose file upload issues cause by client and server misconfiguration.
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File Uploads Appear as Code in Email
If your email is interpreting file uploads as jumble of letters (also know as Base64 encoding), you will need to disable inline images in emails.
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Form Won’t Update on Front-End
Addressing form update issues on your website's front-end, covering potential causes like unpublished changes and page caching.
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How to Fix Zapier Not Retrieving Submissions
This article outlines solutions to some common reasons Zapier may be unable to retrieve form submissions from your website.
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Images are Not Showing in Emails
There are two reason why images might not be showing in your email.
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Installation Troubleshooting
WS Form is designed to work with without requiring any additional software or configuration to WordPress.
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Our Support
Our WS Form PRO license holders receive one year of support and plugin updates from the purchase date.
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Preventing Input Zoom on Mobile Devices
In this article, we'll explore the reasons behind this behavior and provide practical solutions to prevent it.
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Tracking Variables Not Working
If your tracking variables are not working as expected in WS Form, this article will help you understand how they work and where they can be used.
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Troubleshooting Form Submission Issues
This article guides you through a series of steps to help identify and resolve form submission issues.
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Using WS Form with Pop-Ups
Learn how to make WS Form display correctly inside pop-ups by calling the wsf_form_init() function when the pop-up opens.