PHP Notice when WPML Translation Manager and Types are active

Symptoms

There is an issue which happens when Toolset Types, WPML, and WPML Translation Management plugins are all active.

When you try adding a new post or a page, you get the following PHP notice:

Notice: Undefined offset: 0 in \wp-includes\taxonomy.php on line 1902

Workaround

Currently, there is no workaround for this issue. Our developers will fix it as soon as possible.