Uncaught Exception: SqlException

Message:
invalid query:- SELECT * FROM member WHERE member_id= AND status="enable"
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND status="enable"' at line 1
Created in file /home/pixin/public_html/GL/lib/database/SqlDatabaseManager.class.php on line 148.

Stack Trace:
#0 /home/pixin/public_html/appcode/datamanager/MemberDataManager.class.php(175): SqlDatabaseManager->executeQuery('SELECT * FROM m...')
#1 /home/pixin/public_html/protected/controller/profile.php(106): MemberDataManager->getMemberInfoById(NULL, 'client')
#2 /home/pixin/public_html/protected/controller/profile.php(65): profile->memberInfo(NULL)
#3 [internal function]: profile->my('')
#4 /home/pixin/public_html/GL/lib/RegisterCallback.class.php(8): call_user_func_array(Array, Array)
#5 /home/pixin/public_html/GL/lib/Application.class.php(47): RegisterCallback::register(Object(profile), 'my', Array)
#6 /home/pixin/public_html/index.php(12): Application::run(Object(HttpRequest))
#7 {main}
6.
In file /home/pixin/public_html/appcode/datamanager/MemberDataManager.class.php line 175.
Method: SqlDatabaseManager->executeQuery([$query FILTERED])
5.
In file /home/pixin/public_html/protected/controller/profile.php line 106.
Method: MemberDataManager->getMemberInfoById([$memberId FILTERED], [$mode FILTERED])
4.
In file /home/pixin/public_html/protected/controller/profile.php line 65.
Method: profile->memberInfo([$memberId FILTERED])
3.
In file unknown line unknown.
Method: profile->my('')
2.
In file /home/pixin/public_html/GL/lib/RegisterCallback.class.php line 8.
Method: call_user_func_array([$function_name FILTERED], [$parameters FILTERED])
1.
In file /home/pixin/public_html/GL/lib/Application.class.php line 47.
Method: RegisterCallback::register([$class FILTERED], [$funcName FILTERED], [$args FILTERED])
0.
In file /home/pixin/public_html/index.php line 12.
Method: Application::run([$request FILTERED])