The following error was presented in a Piwik installation, in the dashboard, after login, in the place for the returning visitors widget:
Refreshing the widget resulted in it immediately be working again and the error did not reappear.
Any thoughts?
Error in Piwik: An exception has been thrown during the rendering of a template ("Unable to create the cache directory (/path/to/piwik/tmp/templates_c/2c/f9).") in "@CoreHome/_dataTable.twig" at line 33.
Refreshing the widget resulted in it immediately be working again and the error did not reappear.
Any thoughts?