Unable to login in R12.1.3 Problem :- When users are trying to login into oracle applications, they are unable to login. Error is :- ========================================================== Exception Details. oracle.apps.fnd.framework.OAException: java.sql.SQLException: ORA-01653: unable to extend table ICX.ICX_SESSION_ATTRIBUTES by 16 in tablespace APPS_TS_TX_DATA ORA-06512: at "APPS.FND_SESSION_MANAGEMENT", line 1678 ORA-06512: at line 1 at oracle.apps.fnd.framework.OAException.wrapperException(OAException.java:912) at oracle.apps.fnd.framework.webui.OAServerDelegate.setIcxSessionAttribute(OAServerDelegate.java:794) at oracle.apps.fnd.framework.webui.OAPassivationClientUtils.writePersistentSessionValue(OAPassivationClientUtils.java:461) at oracle.apps.fnd.framework.webui.OAPassivationClientUtils.isFailoverEventFired(OAPassivationClientUtils.java:263) at oracle.apps.fnd.framework.webui.OAPassivationClientUtils.handleFail