Data access error

Data access Error for Alias A_THMC_REV_POL,controller PCL-1, Address is B100:1/0, communication Flag is 0.
Can someone help solve this problem. Please
 
What PLC are you using? What device is giving you this fault? You are probably going to need to provide a lot more information if you expect to get any help. I am guessing you are having a problem with a PanelView 800. I found this in the Rockwell knowledgebase. You will need to have a free account to view it. ID: BF12651 | Access Levels: Everyone. There are other articles there that are access level everyone, take a look through there and see if it helps.
 

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