Form error depends on SQL ERROR

Question

hi all
please i want to know why this error is generated i try to create a small application with oracle forms i generate the tables in sql and the tables were created without errors but there is three tables that generate a form error when i try to select and deal with it
the error is:
FRM-10095: Assertion failed in iewbdbc_oracle_to_id, at c:\forms\1012\src\ie\iewbdbc.c:724.
any advice will be approtiated,
thanks all.

Answer 1

this is the creation script:
/* Add table "Client" */
CREATE TABLE Client (
CL_ID Number(20) ,
NAME VARCHAR2(40) CONSTRAINT Cl_NN_NAME NOT NULL,
GENDER VARCHAR2(40),
NATIONALITY VARCHAR2(40),
NATIONAL_ID NUMBER(14) ,
ADDRESS VARCHAR2(40),
PHONE NUMBER(13),
MOBILE NUMBER(10),
EMAIL VARCHAR2(40),
OCCUPATION VARCHAR2(40),
CO_ID NUMBER(6),
SA_ID VARCHAR2(20) CONSTRAINT NN_SA_ID NOT NULL,
CONSTRAINT PK_Client PRIMARY KEY (CL_ID)
/* Add table "COMPANY" */
CREATE TABLE COMPANY (
CO_ID NUMBER(6) ,
NAME VARCHAR2(40) CONSTRAINT CO_NN_NAME NOT NULL,
ADDRESS VARCHAR2(40),
PHONE NUMBER,
FAX NUMBER,
EMAIL VARCHAR2(40),
CON_PERSON_NAME VARCHAR2(40) CONSTRAINT NN_CON_PERSON_NAME NOT NULL,
CON_PERSON_PHONE NUMBER CONSTRAINT NN_CON_PERSON_PHONE NOT NULL,
CONSTRAINT PK_COMPANY PRIMARY KEY (CO_ID)
/* Add table "WAITING_CLIENT" */
CREATE TABLE WAITING_CLIENT (
CLASS_REQUEST_DATE DATE ,
FAVORITE_DATE NUMBER(7),
FAVORITE_TIME_FROM TIMESTAMP,
FAVORITE_TIME_TO TIMESTAMP,
COURSE_ID NUMBER(5) ,
CL_ID Number(20) ,
CONSTRAINT PK_WAITING_CLIENT PRIMARY KEY (CLASS_REQUEST_DATE, COURSE_ID, CL_ID)
/* Add table "SALES_REP" */
CREATE TABLE SALES_REP (
SA_ID VARCHAR2(40) ,
NAME VARCHAR2(40) CONSTRAINT SA_NN_NAME NOT NULL,
GENDER VARCHAR2(40),
NATIONAL_ID NUMBER(14) ,
ADDRESS VARCHAR2(40),
PHONE NUMBER(11),
MOBILE NUMBER(10),
EMAIL VARCHAR2(40),
HIRE_DATE DATE,
CONSTRAINT PK_SALES_REP PRIMARY KEY (SA_ID)
/* Add table "COURSE" */
CREATE TABLE COURSE (
COURSE_ID NUMBER(5) ,
NAME VARCHAR2(40) CONSTRAINT COR_NN_NAME NOT NULL,
DESCRIPTION VARCHAR2(40),
DURATION NUMBER(4) CONSTRAINT NN_DURATION NOT NULL,
COST NUMBER(6),
CONSTRAINT PK_COURSE PRIMARY KEY (COURSE_ID)
/* Add table "INSTRUCTOR" */
CREATE TABLE INSTRUCTOR (
INS_ID NUMBER(6) ,
NAME VARCHAR2(40) CONSTRAINT INS_NN_NAME NOT NULL,
GENDER VARCHAR2(40),
NATIONAL_ID NUMBER(14) ,
PHONE NUMBER(10) CONSTRAINT NN_PHONE NOT NULL,
MOBILE NUMBER(11),
EMAIL VARCHAR2(40),
WORK_TYPE VARCHAR2(40),
HIRE_DATE DATE,
CONSTRAINT PK_INSTRUCTOR PRIMARY KEY (INS_ID)
/* Add table "LAB" */
CREATE TABLE LAB (
LAB_ID VARCHAR2(40) ,
NAME VARCHAR2(40),
LOCATION VARCHAR2(40),
TYPE VARCHAR2(40),
CAPACITY NUMBER(3),
STATUS VARCHAR2(40),
CONSTRAINT PK_LAB PRIMARY KEY (LAB_ID)
/* Add table "COURSE_DETAILS" */
CREATE TABLE COURSE_DETAILS (
Eff_Course_id Number(20) ,
START_DATE DATE CONSTRAINT NN_START_DATE NOT NULL,
END_DATE DATE,
DAYS NUMBER(7) CONSTRAINT NN_DAYS NOT NULL,
TIME_FROM TIMESTAMP CONSTRAINT NN_TIME_FROM NOT NULL,
TIME_TO TIMESTAMP,
INS_ID NUMBER(6) CONSTRAINT NN_INS_ID NOT NULL,
LAB_ID VARCHAR2(40) CONSTRAINT NN_LAB_ID NOT NULL,
COURSE_ID NUMBER(5) CONSTRAINT NN_COURSE_ID NOT NULL,
CONSTRAINT PK_COURSE_DETAILS PRIMARY KEY (Eff_Course_id)
/* Add table "participate_client" */
CREATE TABLE participate_client (
CL_ID Number(20) ,
Material VARCHAR2(40),
Meal VARCHAR2(40),
Eff_Course_id Number(20) ,
CONSTRAINT PK_participate_client PRIMARY KEY (CL_ID, Eff_Course_id)
/* Foreign key constraints */
ALTER TABLE Client ADD CONSTRAINT COMPANY_Client
FOREIGN KEY (CO_ID) REFERENCES COMPANY (CO_ID);
ALTER TABLE Client ADD CONSTRAINT SALES_REP_Client
FOREIGN KEY (SA_ID) REFERENCES SALES_REP (SA_ID);
ALTER TABLE WAITING_CLIENT ADD CONSTRAINT COURSE_WAITING_CLIENT
FOREIGN KEY (COURSE_ID) REFERENCES COURSE (COURSE_ID);
ALTER TABLE WAITING_CLIENT ADD CONSTRAINT Client_WAITING_CLIENT
FOREIGN KEY (CL_ID) REFERENCES Client (CL_ID);
ALTER TABLE COURSE_DETAILS ADD CONSTRAINT INSTRUCTOR_COURSE_DETAILS
FOREIGN KEY (INS_ID) REFERENCES INSTRUCTOR (INS_ID);
ALTER TABLE COURSE_DETAILS ADD CONSTRAINT LAB_COURSE_DETAILS
FOREIGN KEY (LAB_ID) REFERENCES LAB (LAB_ID);
ALTER TABLE COURSE_DETAILS ADD CONSTRAINT COURSE_COURSE_DETAILS
FOREIGN KEY (COURSE_ID) REFERENCES COURSE (COURSE_ID);
ALTER TABLE participate_client ADD CONSTRAINT Client_participate_client
FOREIGN KEY (CL_ID) REFERENCES Client (CL_ID);
ALTER TABLE participate_client ADD CONSTRAINT Course_Participants
FOREIGN KEY (Eff_Course_id) REFERENCES COURSE_DETAILS (Eff_Course_id);