I have a conflict with a plugin I believe. Getting this error message 'Warning: Cannot modify header information – headers already sent by'. Seems to be a common issue on WP, but can't figure it out.
Client feedback
“"More Great work from Duy!"”
FAQ
Frequently Asked Questions
What was the problem in "WordPress issue with site/plugin conflict"?
I have a conflict with a plugin I believe. Getting this error message 'Warning: Cannot modify header information - headers already sent by'. Seems to be a common issue on WP, but can't figure it out.
How was it fixed?
The main services provided included: Error Resolution. All work was completed by Duy Nguyen, a WordPress & WooCommerce expert with 10+ years of experience.
What was the result?
The client left a 5.0-star review: ""More Great work from Duy!""
How fast was the turnaround?
Most bug fixes and small customizations are completed within 24–48 hours. Rush work is available when capacity allows.
How can I hire Duy Nguyen for a similar project?
Use Get a similar fix or Hire Me on this page. With 137+ completed projects, you get a clear scope before work starts.
Need a similar fix?
Chat directly or send a project inquiry — typical response under 24 hours.