Hello hi, Can anyone help me regarding factory talk view site edition - version 8.10.00 I am getting a list of errors when i connect Hmi to PLC controller - L71, communication setup is done correctly, also my HMI tags resembles the same as in PLC controller tag 1. Expression contains a tag that has an error value ....... 2. [Factory talk]: The item is no longer available ....... 3. Failed to resolve Item's ID ..... i am unable to clear these error, my HMI page display is showing all error kindly help !!!