3218597 - Analysis add-in is disappeared in Excel

You try to open Analysis for Office, but the addin is not started or you receive general error message.

Issue occurs after installation or upgrade of AO.

In traces you can find the following entries:

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ERROR  |Cof      | Error details:  System.MissingMethodException: Method not found: 'Com.Sap.Cof.Interfaces.Localisation.ILocalizedTextList Com.Sap.Cof.Interfaces.Localisation.LocalisationGlobals.get_CofTexts()'.
   at FPMXLClient.cof.bootstrap.EpmExcelPlugin.get_SupportSettings()
   at Com.Sap.Cof.Core.Support.SupportModeSwitcher.GetSupportSettingsByPluginOrCof(String id)
   at Com.Sap.Cof.Core.Support.SupportModeSwitcher.GetSupportSettingByPluginOrCofCached(String settingName, String id)
   at Com.Sap.Cof.Core.Support.SupportModeSwitcher.AddActiveSettingNameValue(String iAdvancedSupportCapableId, String iSettingName, Func`2 valueConverter, Dictionary`2& settingWrapsById)
   at Com.Sap.Cof.Core.Support.SupportModeSwitcher.GetSupportModeBySettingWraps()
   at Com.Sap.Cof.Core.Support.SupportModeSwitcher.GetSupportMode()
   at Com.Sap.Cof.Core.Support.SupportService.GetSupportMode()
   at Com.Sap.Cof.Core.PluginsTasks.AskPluginsForMenuConfigurationTask.UpdateAdvancedSupportButtonPressedStatus()
   at Com.Sap.Cof.Core.PluginsTasks.AskPluginsForMenuConfigurationTask.CreateSupportButton(IBackstageTabSecondColumn iSecondColumn)
   at Com.Sap.Cof.Core.PluginsTasks.AskPluginsForMenuConfigurationTask.CreateSecondColumn(IBackstageTabSecondColumn iSecondColumn)
   at Com.Sap.Cof.Core.PluginsTasks.AskPluginsForMenuConfigurationTask.ConfigureCofBackstage()
   at Com.Sap.Cof.Core.PluginsTasks.AskPluginsForMenuConfigurationTask.AskPluginsForMenuConfiguration()
   at Com.Sap.Cof.Core.CustomUI.Ribbon.CofRibbon.GetCustomUI(String ribbonID)
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• SAP Analysis for Microsoft Office
• SAP Analysis for Microsoft Office, edition for SAP Analytics Cloud

AO crash, Analysis for Office not start, Issue during start , KBA , BI-RA-AO-XLA , Excel Addin , Problem