We have added a custom link field in Material request document linking to the related sales order.
As some user were forgetting to select the sales order or entering same so n° we have switched the field to unique.
however< since that time we are getting the following message
sales_order field cannot be set as unique in tabMaterial Request, as there are non-unique existing values
now we can’t uncheck the unique box or modify anything without getting this message
can you please help ?