The SOPC Builder system generates properly when this error message occurs.
This error message may occur during system generation in SOPC Builder if the Quartus® II project name differs from the Quartus II project revision name. SOPC Builder system generation outputs something like the following:
Error: Evaluation of Tcl script <Quartus II project name>_setup_quartus.tcl unsuccessful------------------------------------------------
ERROR: Revision does not exist: <Quartus II project name>. Specify a legal revision name using the "-revision" option.
while executing
"project_open <project path>/<Quartus II project name>.qpf"
(file "<Quartus II project name>_setup_quartus.tcl" line 2)
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To avoid receiving the error messages, make sure that the Quartus II project name matches the revision name. Go to the Project->Revisions... window to modify the project revision name.