In the RDLC report, the export and printing of graphic reports are normal, but when previewing, "Error during local report processing", this is because the graphic you set is too wide and has exceeded the default width of A4 paper. Solution: report on the report page --->Report properties set the margins to be smaller, and the graphics width to be smaller.
Reprinted in: https://www.cnblogs.com/kevinGao/p/4188728.html