There are 3 ways to control the visible property in an Excel sheet in VBA – xlSheetVisible, xlSheetHidden or xlSheetVeryHidden. Remember to set your object references to NOTHING after you have finished writing the code to control them with. Excel Error Load FormĪn automation error could occur within Excel if you load a form while another object (like the worksheet or range object) are still referenced. Make sure any object variables that you are referring to in your code are still valid when you call the property and methods that you are controlling them with. The Object Has Disconnected from Its ClientĪn automation error could occur when you are referring to a workbook or worksheet via a variable, but the variable is no longer active. You may get a number of different messages for this error. It can be highly annoying as the code will run perfectly for a while, and then suddenly you’ll see this! If you do not program these methods correctly, or do not set a property correctly, then an automation error can occur. Each object has multiple properties and methods that are able to be programmed to control how the object behaves. Microsoft Office is made up of Objects – the Workbook object, Worksheet Object, Range object and Cell object to name just a few in Excel and the Document Object in Word. If you find any, close Microsoft Project, then kill the Excel processes in Task Manager, then reopen for Project.There are a variety of reasons that this can occur. Use Task Manager to check for any Excel.exe processes that don't have visible windows. If you're using for Project release 4.1.4 (not release 6.x/7.x) and you have any background processes of Excel running, RISK may be unable to connect to Excel and you may get this error. Follow the instructions in Removing Outdated References to Office from the System Registry to remove them. You may have COM registrations pointing to versions of Microsoft Office Excel or Project that aren't actually installed on your computer. If your simulation is not very large, switch to Multiple CPU: Disabled on the General tab of Simulation Settings.Ī couple of customers, who had multiple versions of Excel installed, reported that they got this error in Excel 2013 but not 2010 or 2007, with the same model.
See Find and Fix Startup Conflicts (Excel 2007–2016). Following are strategies that have worked for different customers in resolving this error.Ĭlose everything and restart Windows – not just log off and on, but a full system restart.ĭoes this happen with more than one model? Check your active add-ins and try disabling them, then adding them back one by one. "Run-time error '-2147417856 (80010100)' "ĭifferent conditions can give rise to this error.
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