Error in KeggList command

Question

[slg.manti]

I am getting this error when I am trying to get mice genes using KEGGLIST command (KEGGREST package)

> mice_genes=keggList("mmu") #to fetch mice genes
Error in curl::curl_fetch_memory(url, handle = handle) : 
  Timeout was reached: Connection timed out after 10000 milliseconds