how to solve the problem

[cmusunqi]

BWMR> library(BWMR)

BWMR> library(ggplot2)

BWMR> data(ExampleData)

BWMR> MRres <- BWMR(ExampleData$beta.exposure, ExampleData$beta.outcome, ExampleData$se.exposure, ExampleData$se.outcome)

Error in if (class(Sigma_hat) == "try-error") { :
the condition has length > 1

[Lmzzz123]

I also encountered this problem. Have you solved it?