An error occured during visualisation: Undefined
Report this error to email@example.com and clearly report the test and the number of the section where the error occured. We try to reproduce the error and off course solve this problem as soon as possible. Sorry for the inconvenience.
Although every test is thoroughly verified, there might still be inconsistencies in visualization, typos in the test description, outdated tests, etc.
Please give us your feedback to make the complete test collection even more accurate. We are very pleased with any valid error report.
Provide your feedback in Dutch, English or French, else you won't really feed us ;).