Please use VBA-M.
(No problem with other emulators.)
The setting method is written in this manual.
http://ngmansion.xyz/wiki/hackfe/index.php?解説/FEBuilderGBA/How_to_obtain_necessary_tools_to_use_FEBuilderGBA_EN
How to download the latest version is here.
http://ngmansion.xyz/wiki/hackfe/index.php?解説/FEBuilderGBA/How%20to%20download%20FEBuilderGBA_EN
If you have any questions, please ask a question here.