Can't figure out what's wrong in using sourceMapFilename in the output object

[knightswatch3]

I am experiencing a frustrating bug finding it hard to figure out the solution. I did refer to some other git discussions which have the error message as :

ERROR in Conflict: Multiple assets emit different content to the same filename main.map

But what's more frustrating is I can't find a solution for this for webpack 5. If I remove the sourceMapFilename from my webpack config it complains about missing files in the broswer when loading the page.

Please help!

[alexander-akait]

Please stop spamming, again - Please create readable reproducible test repo

[sokra]

Use [file] in that template, otherwise is and css generate the same source map name