These errors occur for three specific reasons:
Here is a definitive, step-by-step guide to solving this issue. Do not simply download steam_api.dll from random "DLL download" websites; those files are often outdated, infected, or for different games. bridge project v.1.4 steam api.dll
Sometimes the error is misdirection. The game calls steam_api.dll , but the DLL fails because you are missing Visual C++ Redistributables. These errors occur for three specific reasons: Here