Hello! When I'm trying to perform the PROC CAUSALMED recently, I receive these warnings: WARNING: At least one element of the gradient for the outcome model is greater than 1e-3. WARNING: The Hessian for the outcome model has been ridged with a maximum value of 524288. Standard errors might not be accurate.   Since the outcome variable is not rare, the log link was suggested in SAS help. And I've read the solutions on this website https://communities.sas.com/t5/Statistical-Procedures/PROC-CAUSALMED-warning-messages/m-p/811960#M40019 , but as you can see, I've no reason to reduce those covariates, and there is no interaction option initially, so what else can I do to treat this problem, or whether the results are still reliable even warnings are still existed? code is as follows:  proc casusalmed data=data all; class X(ref=first) M(ref=last) Y(ref=first) C(ref=first); model Y=X M /link=log; mediator M=X; covar c; run;  the treatment, mediator, and outcome are all binary variables. ... View more