I had the same problem the line graphs stopped working.
e ERROR: Throwing Microsoft.ReportingServices.ReportProcessing.RenderingObjectModelException: , Microsoft.ReportingServices.ReportProcessing.RenderingObjectModelException: A generic error occurred in GDI+. ---> System.Runtime.InteropServices.ExternalException: A generic error occurred in GDI+.

Hi There,

I had a similiar issues in one of our production database.

Replication stopped working after a heavy purge of 15 million records was exexcuted at an off peak hour.

Log...