When binding values between ES and AS or two AS, it will show Unresolved.
Binding between ES and AS or two AS
SmartStruxure fails to recognize the binding path with the name of AS or ES containing character "&".
Ask for Product Support for Hotfix R126.96.36.19901 (or later version) for version 1.4 and R188.8.131.521 (or later version) for version 1.5. If this still doesn't solve the issue, refer to Lessons Learned Article LL#8388.