CR Content issue with Upload files

Hi All,

While doing CR-content Upgrade unable to upload large file data, Posted content length of 28,113,530 exceeds limit of 20,971520.

in order to upload sap has suggest to increase the MB files settings (Solman 7.1) CR Content issue

But I am unable to find parameter in NWA

when I search I am getting only two options , unable to find below option

webdynpro/resources/sap.com/tc~wd~dispwda