We are using this plugin:
https://yithemes.com/themes/plugins/yith-best-price-guaranteed-for-woocommerce/
This plugin give you option to send custom price to webshop owner.
Now we have problem after migrated to woodmart: If theme woodmart is active -> then you are not able to enter price when you push the button “PREISVORSCHLAG SENDEN”. The price field is looking like “locked”.
When we activate twentyfive wordpress standard theme: plugin is working. We also send our problem to yithemes. They confirmed that his plugin is working with standard wordpress theme. But when woodmart is active, then the field of price is locked….
Please help to fix, its an conflict with your theme.