"You reached the limit for dashboards run as the logged-in user." Exception in Salesforce

"You reached the limit for dashboards run as the logged-in user." Exception in Salesforce is thrown when the "Maximum Number of Dynamic Dashboards" limit is exceeded.

The limit varies based on the Salesforce Edition used.
Enterprise Edition: up to 5 per organization
Performance and Unlimited Edition: up to 10 per organization
Developer Edition: up to 3 per organization.
 
Following SOQL can be used to check the usage.
SELECT Id, FolderName,Title 
FROM Dashboard 
WHERE Type IN ( 'LoggedInUser', 'MyTeamUser' )

To increase the limit, please check the following article