in Secure Mode” to prevent spamming and whatnot. - It generates a hash each time a form is generated. When you submit the form, the hash is checked and deleted. - If the hash is not there, the error is shown.
You submit the form, deleting the hash. - You hit ‘Back’ and the previous form is reloaded from the browser’s cache; no new hash is generated. - You submit again, but the security hash has already been deleted, ergo: error.
and requires at least 32M of PHP memory. - This is a guesstimate. Depending on third party add-ons and your own template code, EE may need even more. - Stuff is written to memory all the time, so the error can be triggered in any file.
syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 6 SELECT DISTINCT(t.entry_id), `t`.`channel_id`, `t`.`title`, `t`.`status`, `t`.`url_title` FROM (`exp_channel_titles` t) WHERE `t`.`site_id` = 5 AND `t`.`channel_id` IN ('16') AND `t`.`status` IN ('open', 'closed', 'Home') ORDER BY FIELD(t.entry_id, `147`, `123`, `124`, `122`, `125)` Filename: third_party/low_reorder/base.low_reorder.php Line Number: 407
misconﬁguration and was unable to complete your request. Please contact the server administrator, email@example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log.