lme4 - Model failed to converge with max|grad| How can I solve this problem?

Question

I'm using glmer in lme4 package. My formula is like this:

glmer1 <- glmer(answer ~ (1|subject) + target*major, data=data_identification_analysis, family=binomial)

Then I've got this message: Warning message: In checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, : Model failed to converge with max|grad| = 0.010091 (tol = 0.001, component 1)

My data set is here: https://www.dropbox.com/s/lbbq5bnhpo1i17v/ask_help.xlsx?dl=0

Could anyone help me?

question from:https://stackoverflow.com/questions/65930517/model-failed-to-converge-with-maxgrad-how-can-i-solve-this-problem

Answer 1

Waitting for answers