i have two table (material , brand) , at material add page there is a field that named brand (it is lookup table by brandId from brand table to show brand name for choosing) and i “allow add” new brand from material add page BUT when click on + icon beside brand field to add new brand , after click save at brand “modal add” it adds but it didn’t fill brand field with new added brand and show me this messege “Server Error 200: OK” . what is the problem exactly knowing that just the problem at this project and all other project work well .
can you help me please ?