Please try to disable your anti-virus and fire to check if this is affecting the connection (MacAfee have been seen in the past to cause this issue but other Antivirus/Firewalls might also cause this)
SAP Issue - 111 - Failed to Connect to SBOCommon
Please try to disable your anti-virus and fire to check if this is affecting the connection (MacAfee have been seen in the past to cause this issue but other Antivirus/Firewalls might also cause this)