Community Builder deliets Querry

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Community Builder deletes entries that I added under Field -> Integration -> CB Querry Field.
This probably happened when I manually deleted a table.
But also after I have imported again as a backup.
What could cause these deletions?

Don't understand what you mean. It's deleting things from the database? CB Query Field doesn't do that unless you for whatever reason put a DELETE query in a query field, which is meant to utilize SELECT queries.

Sorry, please forget the last post.

How do I get a field to not pull the data from the Comprofiler field (and save) but only the field from the other table __comprofiler_place_user_mo field ID_Kurs.

If you want to display data from an external table you have to use CB Query Field and its Query fieldtype. You'd then just perform a SELECT query against that table to display its data on profile. If you need to push a fields data to an external table you'll need to use CB Auto Actions for that.

I wrote in CB QUERRY Field -> Parameter-> Query).

But List still uses the Comprofiler. Is the syntax wrong or do I have to enter that under CB Querry Field -> Integration -> CB Querry Field?
My field should really only refer to

You have a space between your back quote and table name so yes the syntax is wrong. You are also didn't specify any columns in your select query so depending on how you've configured your query field it may not display anything.

But List still uses the Comprofiler. Is the syntax wrong or do I have to enter that under CB Querry Field -> Integration -> CB Querry Field?

No, as those parameters directly state they are for validation.

My field should really only refer to

Then you should have the below query field.

Query: Output: Single Row
Columns: Single Column