Help:$smwgQMaxSize

is a configuration parameter that sets the maximum number of conditions for inline queries. The configuration parameter was introduced in.

Default setting
This means that a maximum of 12 query conditions can be used for inline queries.

Changing the default setting
To modify the setting to this configuration parameter, add one of the following lines to your "LocalSettings.php" file after the  call:

This means that a maximum of 18 query conditions can be used for inline queries.
 * Increase the number of allowed conditions

This means that a maximum of 6 query conditions can be used for inline queries.
 * Reduce the number of allowed conditions