can you tell me the solution for this error

sig_tr_sia=normpdf(norminv(cdf(logn_sia,SIA)))/(pdf(logn_sia,SIA))

mu_tr_sia=SIA-norminv(cdf(logn_sia,SIA)).*sig_tr_sia

Error using symengine

Unable to prove 'erfc(0.11251645814588591111628580203932*2^(1/2))/2 < 0 | 1 <

erfc(0.11251645814588591111628580203932*2^(1/2))/2' literally. Use 'isAlways' to test the statement mathematically.

Error in sym/subsindex (line 851)

X = find(mupadmex('symobj::logical',A.s,9)) - 1;

Error in sym/privsubsasgn (line 1126)

L_tilde2 = builtin('subsasgn',L_tilde,struct('type','()','subs',{varargin}),R_tilde);

Error in sym/subsasgn (line 963)

C = privsubsasgn(L,R,inds{:});

Error in norminv (line 57)

p(p < 0 | 1 < p) = NaN;

Error in NewTopplingRIA (line 348)

sig_tr_sia=normpdf(norminv(cdf(logn_sia,SIA)))/(pdf(logn_sia,SIA))