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Table maintenance generator is not updating existing entries, even after showing changes saved msg.

Former Member
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I have problem with my TMG, i create TMG for Ztable, it working fine in development system, but it didn't work in quality system. Problem is, it show up that the data have been saved but when i reopen TMG and look into table in se16, there are no changes. i already look for the same issue in SAP forum, but there are no answer for my problem.

My problem key :

1. I have created TMG using SM30
2. I didn't create TCODE for it

3. I didnt make any event, just TMG from SE11

4. It worked in Development system, but it didn't work in quality system

My action so far:

1.I already destroy my previous TMG and create the new one, but still didnt change anything.

Image for my problem:

*Changes that i made, change value from X to blank

*Table not Updated

*Table Attribute

*TMG Structure

*No Event



Hi Stefan

Could you please show us all the fields of table ?

Active Contributor

Hi Stephan,

Kindly check whether the 4th column is a Key field or normal field. If it is a key field then update won't work, you need to delete and recreate the row.


Rajkumar Narasimman

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Thank you. I'd spent to lots a time to solve this problem. bless you

Active Participant
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Hi ,

Please delete the TMG once again in Se11,

delete the if any data present in the table,

now go to se14 and adjust the table,

finally try to re create the TMG once again..

now check the data..

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hi ,

i am also facing the same issue i was able to create the new entries in TMG and update with new values for new records also accepting, but existing data i was unable to update with new values ( Non Key Fields ) ,there is no solution i got in SCN . ABAP experts please look into this issue .

thanks in advance

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Kindly check the transaction code with update 'X'.



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@ b@lu can you pls let me know how to update existing data to new entry?