runtime error in functional module

[Former Member]

they given below program is a function module calling program.while am execute this program they could display the message like as

What happened?

Error in ABAP application program.

The current ABAP program "YSUSFUN1" had to be terminated because one of the

statements could not be executed.

This is probably due to an error in the ABAP program.

In program "SAPLYGROUP3 ", the following syntax error occurred

in the Include "LYGROUP3U01 " in line 1:

"The main program of the function "Y_INTERNAL1" does not begin with "FU"

"NCTION-POOL"."

" "

" "

Author and last person to change the Include are:

Author "BASIS "

Last changed by "BASIS "

Error analysis

In program "SAPLYGROUP3 ", the following syntax error occurred:

"The main program of the function "Y_INTERNAL1" does not begin with "FU"

"NCTION-POOL"."

" "

" "

REPORT YSUSFUN1.

TABLES YSUSTAB1.

DATA IT1 LIKE YSUSTAB1 OCCURS 2 .

SELECT * FROM YSUSTAB1 INTO TABLE IT1.

LOOP AT IT1 INTO YSUSTAB1.

WRITE: / YSUSTAB1-NAME, YSUSTAB1-ROLLNO,YSUSTAB1-PHONENO.

ENDLOOP.

CALL FUNCTION 'Y_INTERNAL1'

TABLES

IT4 = IT1 .

LOOP AT IT1 INTO YSUSTAB1.

WRITE: / YSUSTAB1-NAME, YSUSTAB1-ROLLNO, YSUSTAB1-PHONENO.

ENDLOOP.

2.)

the given below program is function module definition. while at that time of execution they could display the message as

*Syntax error in program*

*----

---

*

*Source code LYGROUP3U01 Line 1*

*The main program of the function "Y_INTERNAL1" does not begin with*

*"FUNCTION-POOL".*

*----

---

**

FUNCTION Y_INTERNAL1.

*"----

---

""Local Interface:

*" TABLES

*" IT4 STRUCTURE YSUSTAB1

*"----

---

LOOP AT IT4.

WRITE : IT4-name, it4-phoneno, it4-rollno.

endloop.

ENDFUNCTION.

[Former Member]

activate the function group and try again.....

[Former Member]

thanks

before am gone to se80 to activate the function group , am activate the function module only not activate the function group .

now am activate the function group they could not be depict the error .

[Former Member]

thanks