Unable to activate

  • This plugin is not installing. Actually, it installs fine, but on activation, I get a blank screen with the message “The plugin does not have a valid header”. On someone else’s plugin, it appeared that it was due to WordPress 4.9 altering the way that plugins activate, requiring a small amendment to many larger, more complex plugins. I note that the WordPress site says that your plugin has not been tested for WordPress 4.9. I could probably look at the code myself, if I get time…

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  • Thread Starter Paul Taylor

    (@pftaylor61)

    I solved it myself. It was an odd problem. I decativated every plugin. Then activated your plugin first. Then I reactivated every other plugin, and everything worked.

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