Originally posted by: dianacobos

Hi everybody!

This looks like a 32bit/64bit mismatch in your project setup. It looks like you have installed the 64bit CPLEX libraries but the Main.obj file was compiled in 32bit mode. Can you please double-check that the configuration is 64bit and Main.obj is compiled for 64bit?

Originally posted by: dianacobos

Hi! tanks for your answer!

How or where can I check  that the configuration is 64bit and Main.obj is compiled for 64bit?

The "Active solution platform" in your configuration manager should be set to "x64" (see attached screenshot). Moreover, when doing "Build->Rebuild Solution" the output should start with something like

------ Build started: Project: <your project>, Configuration: Debug x64

(or Release x64). I am not a Windows expert but I also found the dumpbin utility helpful in cases like this.

dumpbin /headers Main.obj

should tell you that the file is for a 64bit machine and

dumpbin /symbols Main.obj

should only list __imp_ symbols without trailing @N.

Finally, the build log file should indicate that you were using a 64bit compiler. The default location of the build log file is $(IntDir)\$(MSBuildProjectname).log (see Project->Properties->Configuration Properties->General->Build Log File). Maybe you can clean your solution, rebuild it and then show the build log here.

Originally posted by: dianacobos

Tank you very much! The problem was solved!

I really appreciate your help!