• Resolved win2158

    (@win2158)


    When trying to save a lesson I get an error: “Updaten mislukt. De reactie is geen geldige JSON-reactie.” (means something as: Update failed. The reaction is not a valid JSON reaction.

    I don’t have any idea whats causing this.
    Can you help me with this.

    Thank

Viewing 3 replies - 1 through 3 (of 3 total)
  • Hi @win2158

    Have you done any initial troubleshooting yet?

    If not, please rule out a theme issue or a plugin conflict. I recommend testing things on a staging site rather than on your production (live) site. Many hosts provide a staging service, where you can do testing without affecting the live site. You can ask your host about this. If they don’t give you a staging site, you could try WP Staging or Duplicator:

    https://www.ads-software.com/plugins/wp-staging/
    https://www.ads-software.com/plugins/duplicator/

    If you decide not to create a staging site, make sure to make a full backup of your site. Once done that, please do the following:

    1. Verify that all plugins are fully updated to the latest versions.
    2. Temporarily disable all plugins but Sensei (and related plugins), and see if the issue resolves. If it does, try activating your plugins one-by-one and try to reproduce the problem. If it comes back when you activate a particular plugin, you’ve found the culprit.

    If things still don’t work properly, please try checking for a theme conflict.

    3. Temporarily switch to Twenty Seventeen, which is one of the default WordPress themes. You can do this by installing a plugin that only switches the theme for the current user, linked below:

    https://www.ads-software.com/plugins/theme-switcha/

    If the issue resolves, you’ll need to contact your theme’s developer to see if they can help you troubleshoot.

    Plugin Support Jay

    (@bluejay77)

    Hi there,

    It has been more than one week since we have heard from you, so I’m marking this topic as resolved.

    But if you have any further questions or need some more help, you’re welcome to reply here or open another thread.

    Scott

    (@midipedalboards)

    I had this issue and it turned out I had a mid configuration with a CDN I setup with Cloudfront.

Viewing 3 replies - 1 through 3 (of 3 total)
  • The topic ‘JSON error’ is closed to new replies.