Resolved an issue that caused the app to crash and restart.

Bug fixes

• Minor bug fixes
• Security enhancements
• Resolved an issue that caused the app to crash and restart.
• Resolved an issue where an empty digital signage list message was sent in error.
• Resolved an issue that caused iOS 12 devices to crash after upgrading to version 6.2.0.
• Resolved an issue where interoperability configuration settings were displayed incorrectly.