MATLAB: Hello Team. I try use the comand ‘syms’, but received this error…. Can the help please

integrationsolver equation

>> syms x
f = -2*x/(1+x^2)^2;
int(f)
Error using mupadmex
Internal error with symbolic engine. Quit and restart MATLAB.
Error in symengine
Error in sym (line 185)
        symengine;
Error in sympref>implementedSymprefs (line 142)
   y = {'FourierParameters', sym([1,-1]), 'MuPAD', 'sym';...
Error in sympref (line 81)
  iSymprefs = implementedSymprefs;
Error in syms (line 199)
calledFromBase = mupadmex('', 8);
Warning: Failed to initialize symbolic preferences. 
> In syms (line 199) 
Error using mupadmex
Internal error with symbolic engine. Quit and restart MATLAB.
Error in sym>tomupad (line 1219)
    S = mupadmex(numeric2cellstr(x));
Error in sym (line 211)
                S.s = tomupad(x);
Error in syms (line 201)
toDefine = sym(zeros(1, 0));
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