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Ruby Colorize Error Help

Lea Kamoun asked in General

To whom it may concern,

Hello!
I have come to use Ruby because of this following blog: https://sleepdata.org/blog/fixing-invalid-edf-dates

However, I have been getting the following error (In the image below) for colorize. I am not sure why and have looked at other forums that suggested that the version of Ruby might be why I have the error.

I currently have Ruby 2.7.4. I had previously owned Ruby 3.0.2. Unfortunately, I still have the same errors/result. Are there any ideas/opinions to how to fix this error?
Thank You!

My apologize, the picture can not be pasted onto the forum, here is what the image contained:

Traceback (most recent call last):
4: from rewrite_signal_date.rb:12:in <main>'
3: from D:/LEA_FOLDER/Programs/Ruby27-x64/lib/ruby/gems/2.7.0/gems/edfize-0.6.0/lib/edfize.rb:77:in
edfs'
2: from D:/LEA_FOLDER/Programs/Ruby27-x64/lib/ruby/gems/2.7.0/gems/edfize-0.6.0/lib/edfize.rb:77:in each'
1: from D:/LEA_FOLDER/Programs/Ruby27-x64/lib/ruby/gems/2.7.0/gems/edfize-0.6.0/lib/edfize.rb:78:in
block in edfs'
rewrite_signal_date.rb:18:in block in <main>': undefined methodcolorize' for " OK":String (NoMethodError)
Did you mean? colorless

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