{"id":4541,"date":"2014-03-30T13:27:34","date_gmt":"2014-03-30T13:27:34","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/symbol-not-found-_objc_retainautoreleasedreturnvalue-collection-of-common-programming-errors\/"},"modified":"2014-03-30T13:27:34","modified_gmt":"2014-03-30T13:27:34","slug":"symbol-not-found-_objc_retainautoreleasedreturnvalue-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/03\/30\/symbol-not-found-_objc_retainautoreleasedreturnvalue-collection-of-common-programming-errors\/","title":{"rendered":"Symbol not found: _objc_retainAutoreleasedReturnValue-Collection of common programming errors"},"content":{"rendered":"<p>I was previously able to run my code on an iOS 4.3 device but now I&#8217;m getting this error at runtime:<\/p>\n<pre><code> Symbol not found: _objc_retainAutoreleasedReturnValue\n<\/code><\/pre>\n<p>The project is using a base sdk of 6.0 and deployment target of 4.0.<\/p>\n<p>Maybe not a coincidence, but this is the first time I&#8217;ve tried to run on this device since upgrading to XCode 4.5.<\/p>\n<p>I&#8217;ve looked in stackoverflow at previous questions containing _objc_retainAutoreleasedReturnValue but they seem to mention @autoreleasepool, which I&#8217;m not using explicitly anywhere.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I was previously able to run my code on an iOS 4.3 device but now I&#8217;m getting this error at runtime: Symbol not found: _objc_retainAutoreleasedReturnValue The project is using a base sdk of 6.0 and deployment target of 4.0. Maybe not a coincidence, but this is the first time I&#8217;ve tried to run on this [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4541","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=4541"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/4541\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=4541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=4541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=4541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}