App not Running

[lammh]

when i trie run a app , i have this error
[2016-08-27 09:09:44 - LoginActivity] E:\workspace\LoginActivity\res\values-v21\styles.xml:1: error: Found text ">
[2016-08-27 09:09:44 - LoginActivity] " where item tag is expected
[2016-08-27 09:09:44 - LoginActivity] E:\workspace\LoginActivity\res\values\styles.xml:4: error: Error retrieving parent for item: No resource found that matches the given name 'Theme.AppCompat.NoActionBar'.
[2016-08-27 09:09:44 - LoginActivity] E:\workspace\LoginActivity\res\values\styles.xml:8: error: Error: No resource found that matches the given name: attr 'colorAccent'.
[2016-08-27 09:09:44 - LoginActivity] E:\workspace\LoginActivity\res\values\styles.xml:6: error: Error: No resource found that matches the given name: attr 'colorPrimary'.
[2016-08-27 09:09:44 - LoginActivity] E:\workspace\LoginActivity\res\values\styles.xml:7: error: Error: No resource found that matches the given name: attr 'colorPrimaryDark'.
[2016-08-27 09:09:44 - LoginActivity] E:\workspace\LoginActivity\res\values\styles.xml:14: error: Error retrieving parent for item: No resource found that matches the given name 'ThemeOverlay.AppCompat.Dark.ActionBar'.
[2016-08-27 09:09:44 - LoginActivity] E:\workspace\LoginActivity\res\values\styles.xml:16: error: Error retrieving parent for item: No resource found that matches the given name 'ThemeOverlay.AppCompat.Light'.
https://scontent-cdg2-1.xx.fbcdn.net/v/t35.0-12/14151818_1791710821100758_18509913_o.png?oh=9e5efa5a26bbf77479253d266c279d48&oe=57C3C544