error on embedImg2video function

Hi everyone' I am tring to embed my avi file by using this function in matlab but i got this error again and again.Can anyone tell me why this error come and how to solve this error?I am using R2012b version of matlab.

*Error using . Matrix dimensions must agree.

Error in linspace (line 27)

    c = (d2 - d1).*(n1-1); % opposite signs may cause overflow

Error in embedImg2Video>embedImg2VideoDefs (line 313)

         varargout{iArg}=transpose(linspace(inp(1: iCol), inp(end: iCol), iFrames));

Error in embedImg2Video (line 232)

[objPath, objAngle, objScale, objOpacity]=embedImg2VideoDefs(framesList,...