List of steps to reproduce (step by step, including full links if applicable):
- View a page such as this one: https://test.m.wikipedia.org/wiki/Special:Contributions/127.0.0.1 (production) https://en.m.wikipedia.beta.wmflabs.org/wiki/Special:Contributions/127.0.0.1 (beta)
- (Do not have the opt-in "Advanced Mode" enabled)
*An error is shown: Bad username given Cannot look for contributions without a user or with a user that does not exist.
*Error is sourced from: (mobile-frontend-contributions-404-title)(mobile-frontend-contributions-404-desc)
What should have happened instead?:
*The contributions should be listed.
Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc:
QA Results - Beta
QA Results - Prod