Title: Fatal Error on HTML validation Last modified: September 15, 2023 --- # Fatal Error on HTML validation * Resolved [paddy909](https://wordpress.org/support/users/paddy909/) * (@paddy909) * [2 years, 8 months ago](https://wordpress.org/support/topic/fatal-error-on-html-validation/) * Hi, * When I run a check on [https://validator.w3.org/](https://validator.w3.org/) * I get the following error message – * Fatal Error: Cannot recover after last error. Any further errors will be ignored. 1. **Fatal Error**: Cannot recover after last error. Any further errors will be ignored.From line 487, column 1; to line 487, column 443`>↩↩****↩↩