Net-Library routine net_init failed in srv__init_net

Net-Library routine net_init() failed in srv__init_net()
Network error: status = 162 - Unable to determine Net-Library error.
No server log file open; Using stderr for log.

Localization information is not as expected, possibly the result of loading an incompatible Sybase product release into the same $SYBASE directory as the Backup Server. Be sure the entire release directory is up to date and that you have not accidentally renamed or deleted localization files.