Hello,
Have you added this statement to the FPE files that make up the walls?
forcesimpleobstacle = 3
This may help.
Is this a modified dogman from bond1?
Can you post your script, if not bought from the store?
Another suggestion from Lee is to use the floor zone for where you want this character to go.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.