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Removing tables is not allowed unless they are temporary or are being moved by migration to another app

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Posted on by Nadeer

After I extended an exist table in BC and publish it, then I removed the extended table again and published code again, I received this error:

Removing tables is not allowed unless they are temporary or are being moved by migration to another app.

I searched in community but did not find how to fix the issue, but I follow the solution provided here by Kalman Beres:

https://github.com/Microsoft/AL/issues/3479#issuecomment-419914532

And that fixed my issue, But I hope to know how to avoid such an issue in future, and what is the best practice if someone can help.

Thanks in advance,

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Mohana Yadav 61,214 Super User 2026 Season 1 on at

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Obsoleting the fields/tables is the proper way to remove.

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Anita75 1,165 on at

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If you are in a Sandbox without actual data in new fields you can delete when uninstalling

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Y_A 471 on at

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Hi Nadeer , In this case, were you removing a table extension (extending a standard BC table) or a new table?

In my case I have a table extension that is extending the Item Cross Reference table that is being deprecated by Microsoft and I have to remove the table extension. I have already marked the fields as obsolete and moved the data to a new table extension but I cannot remove the table extension itself and it is issuing warnings. The Table extension object itself cannot be marked as obsolete as the property does not exist.

Any help on how I can remove a table extension, maybe? Mohana Yadav

Thanks!

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Teddy Herryanto (Th... 14,306 Super User 2026 Season 1 on at

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If you are publishing through VS Code, change your schemaUpdateMode to ForceSync.

If you are publishing through Extension Management, change the Schema Sync Mode to Force.

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YUN ZHU 100,212 Super User 2026 Season 1 on at

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Hi, hope the following will help.

https://yzhums.com/17671/

https://yzhums.com/18755/

Thanks.

ZHU

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