Error while creating Function module extracter

Question

Hello Guru's
I am getting error while FM extracter creating.
Have created FM and Extract structure and while creating datasource using these where i am getting error as given below
1> ZV_ZFRT_INVOICES(Datasource): TABLES-paramter E_T_DATA for extractor Z_ZFRGT_INVOICES(FM) is missing
2>(DS)ZV_ZFRT_INVOICES: Field ZEILE of the provider structure is missing in extract str. ZVZFRT_INVOICES(Extract structre)
3>(DS )ZV_ZFRT_INVOICES: Field EBELP of the provider structure is missing in extract str. ZVZFRT_INVOICESExtract structre)
Please some one can help me to get out of the issue.

Answer 1

HI Aryan,
No need to create FM on your own. You can copy the FM from Function Group RSAX.
The procedure to create FM extractor is as follows:
1) Create an extract structure.
2) Go to SE80. Select Function Group RSAX , right click and then copy.
3) Give your own name to the function group to copy.
4) Select one appropriate FM from the list of FMs provided. eg FM RSAX_BIW_GET_DATA_SIMPLE.
5)Specify the name of new FM you want to create.
6) Go to SE37 and open the FM you have created by copying from Function Group RSAX.
7) no need to change the import tab.
8) On tables tab, for paramerter name E_T_DATA under asociate name specify the name of extract structure you hav created.
9) Under source code tab make the changes in the source code only to customise it to your requirement. eg: declare the database table you are using, make changes where datasource is in picture, etc.
I have created a generic DataSource with the help of above procedure.. I hope you will find it helpful...
Regards,
Geetanjali