Sometimes, when developing a report in Visual Studio, the following message appears when switching to “view” mode:an error occurred during local report processing

the size necessary to buffer the xml content exceeded the buffer quota

This message is not very explicit. Sometimes the reason for this message is that the report contains too many errors.

For example, I got this message when I forgot to close a parenthesis in a formula to hide the columns, and the formula was copied to a large number of columns. By correcting the error on several columns, the message that was displayed became

By correcting the formula in the other columns, the report was displayed correctly !