{"id":19033196,"date":"2026-09-30T13:52:00","date_gmt":"2026-09-30T13:52:00","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/cache-line-242-error-message\/"},"modified":"2026-09-30T13:52:00","modified_gmt":"2026-09-30T13:52:00","slug":"cache-line-242-error-message","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/cache-line-242-error-message\/","title":{"rendered":"Cache Line 242 Error Message"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hi Folks,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For the last few weeks I&#8217;ve been getting six of the following error messages each time I save a post during editing or publishing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>mod_fcgid: stderr: PHP Warning: Cannot use string as array in \/home\/xxx\/wp-content\/plugins\/wp-optimize\/cache\/class-wpo-cache-rules.php on line 242, referer: https: \/\/xxx\/wp-admin\/post.php?post=317017&amp;action=edit<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Can you possible give me some idea of where to look for a solution?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We have been struggling a lot recently with bots and trying various methods to stop them, and I guess that something has been added or changed and is causing this issue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Regards and thanks,<br \/>Angus<\/p>\n","protected":false},"template":"","class_list":["post-19033196","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19033196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19033196\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19033196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}