JavaScript files optimization, how to fix the error: ERROR: module path does not exist...Path is relative to:...

[toc on_off::hide=1]Question:

I've customized some JavaScript files, after this I tried to optimize JavaScript soruce code according to the documentation. When I executed the command below, I got the error.

D:Working>nodejsnode r.js -o js-sourcesscriptsbuild.js appDir=js-sourcesscripts baseUrl=.optimize=uglify2 dir=js-optimization-output
Error: Error: ERROR: module path does not exist:
D:/Working/js-sources/scripts/.optimize=uglify2/adhoc.start.page.js for module named: adhoc.start.page. Path is relative to: D:/Working
    at D:Workingr.js:25264:35

screenshot with error:

What is the reason of this error? How can I fix it?

Explanation:

This error was generated because the text of the command was copied from the documentation as is and one space that separates two keys in the command is absent

Solution:

Please separate two keys in the command with the space to fix the problem.