[User Warning] Couldn't set response type to 404 because of output on line 1 of /var/www/publisher/data/www/uif.org.ua/kyiv2016/framework/search/filters/ExactMatchFilter.php

GET /kyiv2016/registration

Line 262 in /var/www/publisher/data/www/uif.org.ua/kyiv2016/framework/control/HTTPResponse.php

Source

253 					header("$header: $value", true, $this->statusCode);
254 				}
255 			} else {
256 				// It's critical that these status codes are sent; we need to report a failure if not.
257 				if($this->statusCode >= 300) {
258 					user_error(
259 						"Couldn't set response type to $this->statusCode because " .
260 						"of output on line $line of $file", 
261 						E_USER_WARNING
262 					);
263 				}
264 			}
265 			
266 			// Only show error pages or generic "friendly" errors if the status code signifies
267 			// an error, and the response doesn't have any body yet that might contain
268 			// a more specific error description.

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