You have opened a project. Options > Settings > Projects > "Project name" > Management > Message management.
In this dialog, you can specify which type of messages will be displayed.
The following dialog elements are available:
From the drop-down list, select a scheme for the display of messages. Click [...] to open the Settings: Messages and checks. For the different messages, here you can define whether they should be displayed as an error, a warning, or a note, and whether they should be checked online or offline. Save your settings in a scheme.
Max. number of project check messages:
In this field, enter the number of offline project check messages that are to be considered.
Note:
Internally, the number of messages is limited to a maximum of 10,000. If no value is entered in the Max. number of project check messages field, you will be shown a corresponding message. Only once you have entered a valid value (1-10,000) will you be able to exit the Settings with [OK].
See also
Project Check Messages: Message Numbers, Classes, and Categories