> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/june5-3.7/en/weitere-june5-produkte/june5-webreport/einschraenkungen.md).

# Limitations

The following settings are prohibited in the Report Editor:

### JUNE5 Data Sources:

* The "System" table must not be deleted.
* Tables must not be renamed. This affects the following parameters "Name in data source", "Name", and "Alias name".
* The query texts for tables must not be changed.
* Changes to parameters such as "Type" and "Reconnect on each row" are also prohibited.

### Columns for value and event queries:

* The "Name in data source" parameter must not be changed.
* The "Name" parameter must not be changed.
* The "Alias name" parameter must not be changed.
* In templates, preconfigured columns must not be deleted, otherwise the link to the placeholders will be lost.

### JUNE5 Variables:

* Except for the "Description" parameter, all other parameters must not be changed.


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## Querying This Documentation
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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

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