I have made some research regarding this issue.
It was caused by the WooCommerce plugin. In version 4.4 the development team decided to add a new dependency – league/container.
It is OK, but some of the existing plugins like WP Rocket are already using previous version of this package.
As a result we have a conflict, which may not be resolved easily.
We have a few options here:
- Disable the WP Rocket plugin, and wait for an update
- Downgrade to the 4.3.3
As for the WooCommerce downgrade, it may cause some issues with product attributes. See wc_update_440_insert_attribute_terms_for_variable_products function for details.
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This reply was modified 4 years, 3 months ago by TwistedAndy.