If you are facing SLD issue kindly follow the following steps to resolve the above mentioned error.

1. Rename SAP** Folder
C:Users(your user)Local SettingsApplication Data (or AppData)SAP

2.Start ‘SAP Business One Server Tools Service’ From Services

3.Make Sure ‘C:Program Files (x86)SAPSAP Business OneConfb1-local-machine.xml’ IP Address Mentioned here correct one or Server Name.

4.Verify the direction of the IP Address and Name Of Server in the Host File that is in
“C:WindowsSystem32driversetchosts”

5. Open SAP Business One as “Run As Administrator”

6. Clean Temp Folder via Open Run Command –> %Temp% –> Enter –> Delete All Files

7. Please Check Antivirus or Firewall Settings too.

Thanks,

Mahendrakumar