# NoMethodError: undefined method \`url\_prefix=' for #\<RspecApiDocumentation::Configuration:0x00007f9d24133d50\>

**URL:** <https://www.ruby-forum.com/t/nomethoderror-undefined-method-url-prefix-for-rspecapidocumentation-0x00007f9d24133d50/260814>\
**Category:** Uncategorized\
**Created:** [January 19, 2021, 9:16am UTC](https://www.ruby-forum.com/t/nomethoderror-undefined-method-url-prefix-for-rspecapidocumentation-0x00007f9d24133d50/260814 "2021-01-19T09:16:19Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![ChandanaS](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/5f8ce5/32.png) [@ChandanaS](https://www.ruby-forum.com/u/ChandanaS)\
**Post date:** [January 19, 2021, 9:16am UTC](https://www.ruby-forum.com/t/nomethoderror-undefined-method-url-prefix-for-rspecapidocumentation-0x00007f9d24133d50/260814/1 "2021-01-19T09:16:19Z")

</div>

Hi,  
NoMethodError:  
undefined method `url\_prefix=’ for #RspecApiDocumentation::Configuration:0x00007f9d24133d50  
Getting this error while running rspec, could anyone help me out to solve this, Thanks in advance