When bursting from Webintelligence we have found that a .hyper file to Tableau thinks these characters are invaild.
This can be fixed in Webintelligence with the following variable:
=Replace(Replace([Project Name];Char(10);" ");Char(13);" ")
Line Feed ascii is 10
Carriage Return is 13
Suggestion is to have this done while bursting a character fields. if this any where then replace it with a space.
This is what the formula does:
Currently the system logs show: