Ruby lib for reading/writing/modifying .xlsx and .xlsm files
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NoMethodError: undefined method `[]' for nil:NilClass ...rubyXL/convenience_methods/worksheet.rb:125:in `block in insert_column' #329
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gremito closed 5 years ago
It's a continuation of https://github.com/weshatheleopard/rubyXL/issues/328
I'm attaching a problematic Excel data to it. Book1.xlsx