If you have removed the woosa_midlayer user from your WordPress backend, the connection between our plugin and the external platform will be broken.
Follow the next steps to solve this issue:
Go to WooCommerce > Settings > Advanced > REST API > Revoke the REST API key of Woosa
Go to Users > Search for woosa_midlayer > Delete the woosa_midlayer user
Go to Plugins > Search for the Woosa – vidaXL for WooCommerce plugin > Deactivate the plugin > Reactivate the plugin
Go to WooCommerce > Settings > vidaXL > Authorization > Click on the button Click to Authorize.
It might happen that after these steps you will receive a new error during the authorization: Woosa secret key invalid. Please read the solution for this error above.