If the file is truly gone, do not download .dll files from untrusted third-party sites, as these often contain viruses.
The file has become corrupted on your hard drive. Step-by-Step Fixes for FIFA 13 Rldea.dll Error rldeadll fifa 13 error link
Are you using any custom or roster updates? If the file is truly gone, do not download
: Corrupted game files, missing Visual C++ Redistributables, or compatibility issues with newer versions of Windows can also trigger the error. Google Groups Fixing the Error : Corrupted game files, missing Visual C++ Redistributables,
Download and install the architecture-appropriate Microsoft Visual C++ redistributable packages (both x86 and x64 variants).
[FIFA 13 Executable (.exe)] ↳ Right-Click ↳ Properties ↳ Compatibility Tab ↳ Check: "Run this program in compatibility mode for" (Select Windows 7) ↳ Check: "Disable full-screen optimizations" ↳ Check: "Run this program as an administrator"