If you're using 64-bit Linux server, you need to create a symbolic link from StandardERPServer64-Slave to StandardERPServer-Slave, otherwise it doesn't work. This is a bug I reported many years ago.
Hello,
We also have a customer on windows who is on 2026-02-28 having the exact same error message after updating.
The title of the messagebox is in our case is: "C:\Program Files(x86)\Han...