luall.exe problem

Hello

I one SEPM have problem because can't run luall.exe from schedule. When run manull all is OK.

In Log.LiveUpdate I see entry

HttpSendRequest (status 502): Request failed - Gateway or proxy encountered an error on the LiveUpdate server.

Could Give same advice

SEPM is in 12.1.ru2 LU in version 3.3

This option I do

lucatalog -cleanup and press Enter.

then  lucatalog -forcedupdate