Error in cv.glmregNB when applying lasso

General
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Hi everyone,
I am using glmregNB/cv.glmregNB to do covariates selection via lasso with a negative binomial model , the code is something like:
glmregNB(Y ~ AGE+SEX+RACE+..., offset=xx, alpha=1, data = mydata, parallel=F)
cv.glmregNB(Y ~ AGE+SEX+RACE+..., offset=xx, alpha=1, data = mydata, parallel=F)

the first line runs well, but the second line does not work with the error message:
Error in { : task 1 failed - "unimplemented method: ‘glmreg_fit’"

The above issue only happens when I use the web-based Rstudio, with the local Rstudio, the codes run well. Please help! Thank you!

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