nant and Syncfusion

Hi, I bought a version of syncfusion .Net grid. When I install syncfusion on my devellop pc, it works fine, but I have a server where I installed it to, and I build my solution with nant. since using syncfusion grid, the build crashes. I''m guessing it has something todo with the liscence file? the error I get is: File or assembly name log4net or one of its dependencies not found. can you give me some advise pls?

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