This is affecting about 6% of users and this number is decreasing, fortunately. The problem simply means that your hosting environment hasn't yet updated the version of PHP (that runs your site). The last old version that'll give you this error is the now-deprecated PHP 5.2.10 (which was released on 18 June 2009). This, and [...]
There could be a few reasons behind that:
Go to the Dashboard > Users > Your Profile > Disable the visual editor when writing and ensure it's unticked.
Make sure you are on the Visual tab of the editor. If you are using a page builder such as Visual Composer, the text editor will be accessible [...]
These settings are not compatible with each other. Make sure you don't accidentally use both. Load more
will take preference over Max rows and also the Hidden limit setting. Assuming that you used Max rows intentionally, there is a better way to achieve a perfect justified block without an orphan row. Go [...]
Unpack the download package called justified-image-grid-premium-wordpress-gallery.zip on your computer.
Upload justified-image-grid.zip which is the actual plugin to install.
Try some of the following tips:
Reduce the amount of animated elements, for example use a fixed caption style or just the [...]
The most likely scenario is that you've chosen a preset in the shortcode, just like this:
Presets simply carry a number of settings, and override global ones. According to preset authority, you can influence which settings to pass through presets, or include with presets. Furthermore, any setting that you added to the shortcode will override its [...]