Support » Plugins » Hacks » Unexpected output on acivate plugin

  • When activating my plugin and only if wp debug mode is on, i get the message:

    The plugin generated 255 characters of unexpected output during activation.
    If you notice “headers already sent” messages, problems with syndication feeds or other issues,
    try deactivating or removing this plugin.

    I did not see the headers already sent message, or the other possibilities mentioned in the message.

    The plugin works as expected.

    I would like to read those 255 chracters to see where they come from and so be able to repair for this error message.

    Where do i find the 255 characters?

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