Quartus error

[Altera_Forum]

Hello,  

 I am getting the following error in Quartus  Error (10054): Verilog HDL File I/O error at crc.v(26): can't open  Verilog Design File "../source/parameters.vh"  How do I resolve this error. This is a .vh file that the synthesizer  is complaining about.  Please help.

[Altera_Forum]

--- Quote Start ---  Hello,   I am getting the following error in Quartus  Error (10054): Verilog HDL File I/O error at crc.v(26): can't open  Verilog Design File "../source/parameters.vh"  How do I resolve this error. This is a .vh file that the synthesizer  is complaining about.  Please help.  --- Quote End ---    Hi,  did you add the file to your project ?   Project -> Add/Remove Files in Project  Did you see your file listed in the Window ?

[SSumm3]

How do you add a .vh file in the project. I've tried the conventional way to add it (the same way that .v files are added by opening a file or adding a file in the settings of the project) but the files are not appearing.