Configsections must be the first node under the root node

To configure the Webconfig document, add a node configsections, add, I think, by the name of the node in alphabetical order, placed under the appsettings node.

Behold, an error occurred while the program was running:

Refer to the highlighted above to place the configsections in the first position under the root node:

Run the program again, the results of the normal repair ...

Configsections must be the first node under the root node