ID:293018 Pre-flow processing script assignment value <name> is illegal

CAUSE: You attempted to compile a design using the pre-flow processing script assignment. However, the specified assignment value is illegal. The assignment value must have the format <executable to use> : <script file name>. For example, quartus_sh:my_pre_process.tcl is a legal assignment value.

ACTION: Make sure the assignment value is legal, or remove the assignment value.