Rails 5.0.7 version upgrade issues


Rails 5.0.7 Ruby 2.5.1

Facing this error while upgrading rails 4 to rails 5.0.7

undefined method `’ for “image”:Sass::Script::Value:: String

Any help would be appreciated.

Thanks in Advance.

Did you follow the procedure described in



Thanks for your reply

Ya, I followed the way almost but I am facing issue with some gem or tags or I guess.

Can you help please me a little bit I can share more details with you personally.

Please find the attachment of the screenshot