Hi Javlon,
Most probably, the values of parameters used to identify UI elements during recording are dynamic and thus identification fails on subsequent test runs.
I would recommend this video (
http://support.smartbear.com/support/screencasts/testcomplete/reliable-tests-for-dynamic-objects/), this article (
http://blog.smartbear.com/software-quality/automated-test-scripts-a-name-mapping-user-story/) and relevant help topics (especially about name mapping templates one -
http://support.smartbear.com/viewarticle/32722/).